Nebraska weather and outdoor projects
Nebraska has hot summers, cold winters and frequent wind, with rain decreasing from the east toward the drier west. Omaha has humid summers and spring thunderstorms, while North Platte and the west are drier with larger swings between day and night temperatures.
Late summer and early fall give the most dependable staining and painting weather. Wind is a common limit for spraying, so plan for calm mornings. Hard freezes usually begin in October, and spring frosts can come into May in the west, which limits the concrete and driveway sealing season.
Frost dates in Nebraska
In Omaha, the median last spring freeze (32°F) is around April 18 and the median first fall freeze is around October 21, a frost-free season of about 185 days.
In North Platte, the median last spring freeze (32°F) is around May 11 and the median first fall freeze is around October 1, a frost-free season of about 142 days.
Frost dates matter for concrete, which must not freeze in its first 48 hours, for paint and caulk that need nights above their minimum, and for lawn care, since crabgrass preventer goes down as the soil warms in spring. See how late in fall you can stain, paint or seal.
Best time to stain a deck in Nebraska
In Omaha, the most reliable months are May–June and August–September. April, July and October can also work on the right days. November–March is too cold, with average highs around 42°F. In April and October, nights average about 42°F, so finish early on mild days and check the overnight low. July is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
In North Platte, the most reliable months are June and September. May and July–August can also work on the right days. November–February is too cold, with average highs around 45°F. In March–April and October, nights average about 30°F, too cold for the coating to dry and cure overnight. In May, nights average about 44°F, so finish early on mild days and check the overnight low. July–August is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
Check this week’s hour-by-hour verdict with the deck staining forecast.
Best time to paint outside in Nebraska
In Omaha, the most reliable months are May–June and August–September. April, July and October can also work on the right days. December–February is too cold, with average highs around 37°F. In March and November, nights average about 30°F, too cold for the coating to dry and cure overnight. In April and October, nights average about 42°F, so finish early on mild days and check the overnight low. July is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
In North Platte, the most reliable months are June and September. April–May, July–August and October can also work on the right days. December–February is too cold, with average highs around 42°F. In March and November, nights average about 23°F, too cold for the coating to dry and cure overnight. In April–May and October, nights average about 37°F, so finish early on mild days and check the overnight low. July–August is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
Check this week’s hour-by-hour verdict with the exterior painting forecast.
Best time to pour concrete in Nebraska
In Omaha, the most reliable months are May–September. April and October can also work on the right days. November–March averages about 25 nights a month at or below 32°F, so fresh concrete needs blankets or heated enclosures. April and October bring about 5 freezing nights a month, so pick a mild spell and keep curing blankets on hand.
In North Platte, the most reliable months are June–September. May can also work on the right days. October–April averages about 24 nights a month at or below 32°F, so fresh concrete needs blankets or heated enclosures. May brings about 3 freezing nights a month, so pick a mild spell and keep curing blankets on hand.
Check this week’s hour-by-hour verdict with the concrete pouring forecast.
Best time to seal a driveway in Nebraska
In Omaha, the most reliable months are May–September. October can also work on the right days. November–March is too cold, with average highs around 42°F. In April, nights average about 41°F, too cold for the coating to dry and cure overnight. October is cool, with highs around 66°F, so choose the warmest afternoons.
In North Platte, the most reliable months are June–August. May and September can also work on the right days. November–March is too cold, with average highs around 47°F. In April and October, nights average about 34°F, too cold for the coating to dry and cure overnight. In May and September, nights average about 46°F, so finish early on mild days and check the overnight low.
Check this week’s hour-by-hour verdict with the driveway sealing forecast.
Best time to fertilize or treat a lawn in Nebraska
In Omaha, the most reliable months are April–June and August–October. March, July and November can also work on the right days. December–February is too cold, with average highs around 37°F. March and November are cool, with highs around 51°F, so choose the warmest afternoons. July is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
In North Platte, the most reliable months are April–June and September–October. March, July–August and November can also work on the right days. December–February is too cold, with average highs around 42°F. March and November are cool, with highs around 54°F, so choose the warmest afternoons. July–August is hot, with highs near 88°F, so start early and keep out of full afternoon sun.
Check this week’s hour-by-hour verdict with the lawn fertilizer forecast.
How the weather differs across Nebraska
| Place | Hottest month avg high | Coldest month avg low | Rain per year | Last spring freeze | First fall freeze |
|---|---|---|---|---|---|
| Omaha | 88°F | 15°F | 32 in | April 18 | October 21 |
| North Platte | 90°F | 12°F | 21 in | May 11 | October 1 |
Of the places above, Omaha has the most good months for staining, painting and concrete combined (13 job-months), and North Platte has the fewest (8). If you live between them, expect something in between, and higher ground to be cooler with a shorter season.
Monthly weather in Omaha
| Month | Avg high | Avg low | Wet days* | Rain | 3 PM humidity | Freezing nights |
|---|---|---|---|---|---|---|
| January | 34°F | 15°F | 2 | 0.8 in | 59% | 30 |
| February | 39°F | 19°F | 3 | 0.9 in | 56% | 26 |
| March | 52°F | 30°F | 4 | 1.8 in | 46% | 20 |
| April | 64°F | 41°F | 6 | 3.2 in | 42% | 6 |
| May | 75°F | 53°F | 8 | 4.7 in | 46% | 0 |
| June | 84°F | 63°F | 7 | 4.4 in | 49% | 0 |
| July | 88°F | 68°F | 6 | 3.5 in | 52% | 0 |
| August | 86°F | 66°F | 6 | 4.6 in | 53% | 0 |
| September | 79°F | 56°F | 5 | 3.0 in | 47% | 0 |
| October | 66°F | 43°F | 4 | 2.3 in | 44% | 4 |
| November | 50°F | 30°F | 3 | 1.4 in | 50% | 19 |
| December | 38°F | 20°F | 3 | 1.2 in | 59% | 29 |
*Days with at least 0.1 inch of rain or melted snow. Freezing nights: average nights a month at or below 32°F. Humidity is calculated from NOAA hourly normal temperature and dew point at 3 PM.
Monthly weather in North Platte
| Month | Avg high | Avg low | Wet days* | Rain | 3 PM humidity | Freezing nights |
|---|---|---|---|---|---|---|
| January | 41°F | 12°F | 1 | 0.4 in | 47% | 31 |
| February | 44°F | 15°F | 2 | 0.6 in | 43% | 28 |
| March | 55°F | 24°F | 3 | 1.0 in | 37% | 26 |
| April | 63°F | 33°F | 5 | 2.3 in | 38% | 14 |
| May | 73°F | 44°F | 7 | 3.4 in | 43% | 3 |
| June | 84°F | 55°F | 7 | 3.5 in | 43% | 0 |
| July | 90°F | 61°F | 6 | 3.2 in | 43% | 0 |
| August | 87°F | 59°F | 5 | 2.6 in | 44% | 0 |
| September | 80°F | 48°F | 3 | 1.6 in | 37% | 1 |
| October | 66°F | 34°F | 3 | 1.6 in | 37% | 14 |
| November | 53°F | 21°F | 1 | 0.5 in | 40% | 28 |
| December | 42°F | 13°F | 1 | 0.5 in | 46% | 31 |
Use the averages, then check the forecast
These ratings describe a typical month, not a particular week. A warm spell in a “poor” month can give you a good day, and a wet week can spoil a “good” one. Use this page to plan the season, then check the 7-day forecast for your ZIP code before you buy materials or book help. Each project forecast checks the hours after you finish too: overnight lows, dew and rain that would ruin fresh stain, paint, sealer or concrete.
About this data
Monthly temperatures, rain days, snowfall and freeze dates are NOAA National Centers for Environmental Information (NCEI) U.S. Climate Normals for 1991–2020 at OMAHA EPPLEY AIRFIELD, NORTH PLATTE RGNL AP. Ratings apply the same temperature limits as our forecasts (for example, 50°F or warmer for deck stain and driveway sealer, and no freezing nights for new concrete) to the average month. Your product label always takes priority.
Frequently asked questions
When is the best time to stain a deck in Nebraska?
In Omaha, May–June and August–September. In North Platte, June and September. Look for at least 24 dry hours before and after, and nights above about 40°F. The deck staining forecast checks your exact week.
When is the last frost in Nebraska?
Omaha: around April 18; North Platte: around May 11. These are median dates from NOAA 1991–2020 normals, so a freeze after them happens in about half of years. Low spots and valleys freeze later in spring.
Can you pour concrete in winter in Nebraska?
Yes, but it needs cold-weather practices. Omaha averages about 84 freezing nights from December to February, so fresh concrete needs insulated blankets, a heated enclosure or an accelerated mix, and must not freeze in the first 48 hours. Many homeowners wait for spring.
What months are best for sealing a driveway in Nebraska?
In Omaha, May–September. In North Platte, June–August. Most sealers need 50°F or warmer for 24 hours and a dry day after. See the driveway sealing forecast.