St. Paul, MN Climate & Monthly Averages
The climate of St. Paul
St. Paul has a humid continental climate, marked by warm summers and cold, often snowy winters. Average daytime highs range from about 24°F (-4°C) in January to around 83°F (28°C) in July, and the city records roughly 108 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 83°F (28°C)
- Coldest month: January - highs near 24°F (-4°C)
- Record high: 98°F (37°C) · Record low: -35°F (-37°C) (2015–2024)
- Wettest month: May (12 rainy days) · Sunniest: July (12.7 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 22 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 83°F (28°C) and overnight lows stay near 64°F (18°C). The coolest month is January, with typical highs of 24°F (-4°C) and lows around 9°F (-13°C). Based on 2015–2024 weather data, temperatures have reached as high as 98°F (37°C) and dropped as low as -35°F (-37°C).
Rain, sun and snow
May is usually the wettest month. It brings about 5.5 inches (138 mm) of rain over 12 days, while January is the driest. July brings the most sunshine, averaging 12.7 hours of sun a day. Snow falls on about 22 days in a typical year, mostly from October through April.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 24° | 9° | 5 | 1.0 in | 5.5 h/day | 77% |
| February | 28° | 9° | 6 | 1.2 in | 7.6 h/day | 72% |
| March | 43° | 24° | 8 | 2.2 in | 8.0 h/day | 66% |
| April | 54° | 35° | 11 | 3.4 in | 8.5 h/day | 65% |
| May | 69° | 49° | 12 | 5.5 in | 10.3 h/day | 64% |
| June | 80° | 61° | 10 | 4.6 in | 12.1 h/day | 65% |
| July | 83° | 64° | 10 | 4.2 in | 12.7 h/day | 70% |
| August | 80° | 63° | 11 | 4.8 in | 10.9 h/day | 72% |
| September | 74° | 58° | 9 | 3.6 in | 9.5 h/day | 71% |
| October | 58° | 43° | 9 | 3.6 in | 7.2 h/day | 69% |
| November | 43° | 29° | 8 | 2.1 in | 5.8 h/day | 71% |
| December | 30° | 16° | 8 | 1.9 in | 4.6 h/day | 77% |
St. Paul month by month
St. Paul weather in January
January brings highs around 24°F (-4°C), lows near 9°F (-13°C), about 5 wet days and roughly 4 snowy days - typically the coldest month and the driest month of the year in St. Paul.
St. Paul weather in February
February brings highs around 28°F (-2°C), lows near 9°F (-13°C), about 6 wet days and roughly 4 snowy days.
St. Paul weather in March
March brings highs around 43°F (6°C), lows near 24°F (-4°C), about 8 wet days and roughly 4 snowy days.
St. Paul weather in April
April brings highs around 54°F (12°C), lows near 35°F (2°C), about 11 wet days and roughly 2 snowy days.
St. Paul weather in May
May brings highs around 69°F (20°C), lows near 49°F (10°C), about 12 wet days - typically the wettest month of the year in St. Paul.
St. Paul weather in June
June brings highs around 80°F (26°C), lows near 61°F (16°C), about 10 wet days.
St. Paul weather in July
July brings highs around 83°F (28°C), lows near 64°F (18°C), about 10 wet days - typically the hottest month and the sunniest month of the year in St. Paul.
St. Paul weather in August
August brings highs around 80°F (26°C), lows near 63°F (17°C), about 11 wet days.
St. Paul weather in September
September brings highs around 74°F (23°C), lows near 58°F (14°C), about 9 wet days.
St. Paul weather in October
October brings highs around 58°F (14°C), lows near 43°F (6°C), about 9 wet days.
St. Paul weather in November
November brings highs around 43°F (6°C), lows near 29°F (-2°C), about 8 wet days and roughly 2 snowy days.
St. Paul weather in December
December brings highs around 30°F (-1°C), lows near 16°F (-9°C), about 8 wet days and roughly 5 snowy days.
Seasons in St. Paul
Spring (March through May)
Spring in St. Paul is mild, with daytime highs averaging 55°F (13°C) and nights around 36°F (2°C); expect showers on roughly 31 days across the season, plus around 6 snowy days.
Summer (June through August)
Summer in St. Paul is hot, with daytime highs averaging 81°F (27°C) and nights around 63°F (17°C); expect showers on roughly 32 days across the season.
Fall (September through November)
Fall in St. Paul is crisp but comfortable, with daytime highs averaging 58°F (14°C) and nights around 43°F (6°C); expect showers on roughly 26 days across the season, plus around 3 snowy days.
Winter (December through February)
Winter in St. Paul is frigid, with daytime highs averaging 27°F (-3°C) and nights around 12°F (-11°C); expect showers on roughly 19 days across the season, plus around 13 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Climate questions, answered
What is the average temperature in St. Paul?
Is St. Paul hot in summer?
Is St. Paul cold in winter?
How many rainy days does St. Paul get in a year?
Best time to visit St. Paul
The best time to visit St. Paul is generally June to September, when this window offers the warmest, brightest days of the year. Daytime temperatures in that window typically sit near 79°F (26°C).
Pack for St. Paul with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 64°F (18°C).
St. Paul temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.