Day
3 °C
Night
-8 °C
Sea
0 °C
Precipitation
23 mm
in month
Rainy days
5 days
in month
Daylight
10 hours
average
Sunshine
6 hours
average
Humidity
70 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
From the chilly breezes of winter to the sultry heat of summer, St. Joseph, MO offers a diverse climate for its residents. Daytime temperatures can soar up to an average high of 31 °C (89 °F) in July and dip to a cool 3 °C (38 °F) in January. The wettest month typically is June, with an average precipitation of 131 mm (5.16 in), and the least rainy period tends to be in January, with only about 23 mm (0.91 in) of rainfall. The city experiences a significant number of wet days, especially during the spring and summer months, with a concise respite in the winter. Humidity can range from relatively comfortable to quite sticky throughout the year, with the winds usually calming down as the summer approaches.
January in St. Joseph, MO brings the coldest days of the year, with an average high temperature of 3 °C (38 °F). Despite the chill, the city experiences relatively low precipitation, averaging around 23 mm (0.91 in), and typically sees about 5 days of rainfall. While the winds tend to blow stronger, at 4 m/s, the winter sun is scarce, offering about 6 hours of sunlight per day.
As we move into February, St. Joseph, MO begins to show modest signs of warming with an average high temperature of 6 °C (43 °F). With around 6 days of wet days, the city's winter slowly wanes, but the brisk winds continue to flow at 4 m/s and the sun becomes slightly more generous, averaging 6 hours of daylight.
March heralds the beginning of spring in St. Joseph, MO, with average high temperatures reaching 13 °C (55 °F). Rainfall increases compared to the preceding months, averaging 57 mm (2.24 in), and the number of wet days jumps to nearly 8 days. The city starts to see longer sun hours, around 7 hours a day, but the winds remain brisk, averaging 5 m/s.
April in St. Joseph, MO is characterized by a noticeable upturn in temperature, with the average high reaching 19 °C (66 °F). The rainy season advances with an average of 82 mm (3.23 in) of rainfall and 10 days of wet days. In contrast, sun hours continue to rise, offering about 8 hours of daily sunshine, and the wind starts to relax a little, slowing to 5 m/s.
May sees further climb in temperatures in St. Joseph, MO, with an average high of 24 °C (76 °F). It's one of the wettest months, drenched with an average of 128 mm (5.02 in) of rain and around 13 days of wet days. Humidity levels start to rise, averaging 67 %, while the winds continue to soften, blowing at 4 m/s, and the sun generously provides around 9 hours of sunlight per day.
June's arrival marks the peak of the wet season in St. Joseph, MO, boasting the highest average precipitation of the year at 131 mm (5.16 in) and about 12 days of rainy days. The summer temperatures rise to an average high of 29 °C (85 °F). Wind speeds generally decline to 4 m/s, humidity becomes stickier at 69 %, and the length of sunshine stretches to around 10 hours daily.
July's heat is in full swing in St. Joseph, MO, with the mercury hitting an average daytime high of 31 °C (89 °F). This month also experiences a slight reduction in rainy days, averaging 10 days, but the amount of rainfall received is still significant at 110 mm (4.35 in). The wind speed drops to a pleasant 3 m/s, and the sunshine is abundant, with an average of 11 hours of sun each day.
August maintains the summer heat in St. Joseph, MO, with an average high temperature of 31 °C (87 °F). The city experiences a similar pattern of rainfall as July, receiving about 110 mm (4.33 in) of precipitation over 10 days of wet days. The wind continues to be gentle, at just 3 m/s, and the relative humidity can make the air feel quite muggy, averaging 70 %.
September in St. Joseph, MO sees the start of the transition to fall with an average high temperature of 26 °C (80 °F). The number of wet days begins to decrease to around 9 days, and rainfall reduces slightly to 102 mm (4.00 in). Wind speeds pick up a little, averaging 4 m/s, and the sunlight hours begin to shorten, providing approximately 8 hours of sunshine each day.
October's fall weather becomes more pronounced in St. Joseph, MO, as average high temperatures drop to 20 °C (68 °F). Rainfall also continues to decline to an average of 76 mm (3.00 in), and the city averages around 8 days of wet days. The winds get a little breezier, blowing at 4 m/s, while sunlight hours decrease further, averaging 7 hours per day.
As November arrives in St. Joseph, MO, the climate shifts towards winter with average high temperatures around 12 °C (53 °F). The city sees less frequent but still present rain showers, accumulating an average of 43 mm (1.70 in) over 6 days of wet days. The wind starts to pick up again, averaging 4 m/s, and the sun offers meager daylight hours at 5 hours.
December in St. Joseph, MO ushers in the colder temperatures with an average high of 4 °C (40 °F). Precipitation drops further to an average of 36 mm (1.43 in), and the average number of wet days is about 6 days. The winds continue at a steady speed of 4 m/s, while daylight hours are at their lowest, averaging only 5 hours per day.
Dress in layers during January in St. Joseph, MO, as the temperature frequently stays around 3 °C (38 °F). A warm coat, gloves, and a hat are essential, especially on windier days with speeds of 4 m/s.
Comfort is relative, but the average high of 6 °C (43 °F) in February is indeed a bit warmer than January. Though, remember to keep your winter gear close as temperatures can still dip below freezing.
Yes, spring weather begins to show in March, with a noticeable increase in temperatures, averaging highs of 13 °C (55 °F) and more frequent rain showers signaling a change of seasons.
April typically brings warmer days with average highs of 19 °C (66 °F) and an increase in sunshine hours, but it also marks a more pronounced rainy season with considerable precipitation.
May indeed brings warmer weather to St. Joseph, MO, with average daytime highs reaching a comfortable 24 °C (76 °F), making for pleasant outdoor activities.
June in St. Joseph, MO can get quite hot, with day temperatures rising to an average high of 29 °C (85 °F) - perfect for swimming and other summer activities, but remember to stay hydrated.
Typical daytime temperatures in July in St. Joseph, MO soar to an average high of 31 °C (89 °F), making for some very warm summer days.
August temperatures in St. Joseph, MO are very similar to July's, with an average high remaining at a toasty 31 °C (87 °F).
The weather in September in St. Joseph, MO generally starts to cool down with an average high temperature of 26 °C (80 °F), making for a more comfortable climate as fall approaches.
October clearly marks the change of seasons in St. Joseph, MO, with cooler temperatures averaging 20 °C (68 °F) and a noticeable reduction in rainfall indicating the arrival of autumn.
November weather in St. Joseph, MO becomes progressively cooler with an average daytime high of 12 °C (53 °F) as the city edges closer to winter.
December can be quite cold in St. Joseph, MO with average high temperatures hovering around 4 °C (40 °F), and it's vital to dress warmly to stay comfortable in the chilly weather.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.