Updated October 2026
Pullman National Historical Park Weather by Month
Pullman National Historical Park is warmest in July, when the nearest NOAA climate station averages a high of 85°F and a low of 68°F, and coldest in January, with an average high of 33°F and an average low of 20°F. May is the wettest month, with about 4.8 inches of precipitation. Snowfall is heaviest in January, at about 13 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 9.2 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Pullman National Historical Park can differ from these, particularly with elevation.
Warmest month
Jul
85°F avg high
Coldest month
Jan
20°F avg low
Wettest month
May
4.8 in avg
Snowiest month
Jan
12.5 in avg
Longest days
Jun
15.0 h of daylight
Average weather at Pullman by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 33°F | 20°F | 2.3 in | 12.5 in | 9.3 h |
| February | 37°F | 23°F | 2.1 in | 10.1 in | 10.4 h |
| March | 48°F | 32°F | 2.7 in | 5.7 in | 11.7 h |
| April | 60°F | 42°F | 4.2 in | 1.0 in | 13.1 h |
| May | 72°F | 52°F | 4.8 in | 0.0 in | 14.4 h |
| June | 81°F | 63°F | 4.5 in | 0.0 in | 15.0 h |
| July | 85°F | 68°F | 4.0 in | 0.0 in | 14.7 h |
| August | 83°F | 67°F | 4.1 in | 0.0 in | 13.7 h |
| September | 77°F | 59°F | 3.3 in | 0.0 in | 12.3 h |
| October | 64°F | 47°F | 3.9 in | 0.1 in | 10.8 h |
| November | 50°F | 35°F | 2.7 in | 1.5 in | 9.6 h |
| December | 38°F | 25°F | 2.3 in | 7.9 in | 9.0 h |
| Year total | 40.9 in | 38.8 in |
NOAA 1991–2020 climate normals from station USC00111577, 9.2 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Pullman is at that time of year.
Pullman weather by season
Winter: December to February
Average highs bottom out at 33°F in January, between 38°F in December and 37°F in February, with average lows between 20°F and 25°F. The average low is at or below freezing in all three months. Together the three months average 6.7 inches of precipitation, about 16% of the yearly total and less than in any other season. Snowfall averages about 31 inches for the season. Daylight is at its shortest, about 9.0 hours in December.
Spring: March to May
Average highs climb from 48°F in March to 72°F in May, with average lows between 32°F and 52°F. The average low is at or below freezing in March. Together the three months average 11.7 inches of precipitation, about 29% of the yearly total. Snowfall averages about 6.7 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.4 in May.
Summer: June to August
Average highs peak at 85°F in July, between 81°F in June and 83°F in August, with average lows between 63°F and 68°F. Together the three months average 12.6 inches of precipitation, about 31% of the yearly total and more than in any other season. Daylight is at its longest, about 15.0 hours in June.
Fall: September to November
Average highs fall from 77°F in September to 50°F in November, with average lows between 35°F and 59°F. Together the three months average 9.9 inches of precipitation, about 24% of the yearly total. Snowfall averages about 1.6 inches for the season, most of it in November. Daylight shortens from about 12.3 hours in September to 9.6 in November.
What the National Park Service says about the weather
The park lies in a humid continental zone with a generally temperate climate. Chicago winters are mildly cold with average temperatures around 26 degrees (F). Summers are hot and humid with an average temperature around 72 degrees (F). Average annual total rainfall is about 36". Snowfall in the winter is moderate with an average total snowfall of about 38".
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Pullman
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 41.69°N, 87.61°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Pullman National Historical Park →
Weather and crowds together
July is both the warmest month and the busiest, with about 1.5× the visitors of the park's average month. December is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Pullman National Historical Park. For hotels, cabins and rentals close to the park, see where to stay near Pullman.
Where to stay near Pullman
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Frequently Asked Questions
July is the warmest month at Pullman National Historical Park, with an average high of 85°F and an average low of 68°F. That is the 1991–2020 average at the nearest long-record NOAA station, 9.2 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Pullman National Historical Park, with an average low of 20°F and an average high of 33°F, based on NOAA 1991–2020 climate normals.
May is the wettest month, with about 4.8 inches of precipitation. February is the driest, at about 2.1 inches. The station records about 40.9 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 9.2 miles from the park's reference point, averages about 39 inches of snow a year. January is the snowiest month, at about 13 inches. The station averages at least a tenth of an inch of snow in 7 of the 12 months.
Weather at nearby parks
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00111577), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (2023–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.