Climate and monthly weather forecast
Saint Paul, MN

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The Saint Paul
The Saint Paul's Cathedral church ground in Saint Paul, Minnesota

The climate of Saint Paul

Saint Paul, located in Minnesota, USA, predominantly experiences a Dfa climate type, according to the Köppen climate classification. This classification reflects a humid continental climate with no dry season, and summers that can often be quite warm. Over the course of a year, Saint Paul's weather varies greatly, encompassing diverse conditions.

Temperature fluctuation in Saint Paul exhibits a genuine seasonality. The summer months, June through August, can reach notable highs of 81.1°F (27.3°C) while the winter season, December to February, sees temperatures stooping as low as 7.3°F (-13.7°C). Relative humidity generally ranges from 71% to 90%, providing more noticeable comfort during some periods than others.

Rainfall follows a distinctive pattern, escalating during the summer months with peak levels of 3.82" (97mm) in June, then gradually decreasing towards the winter months. On the contrary, snowfall primarily takes place in the winter, with December witnessing an annual peak of 4.65" (118mm). Daylight hours follow a predictable course with a maximum of 15.6 hours in June and a minimum of 8.8 hours in December. Wind speeds fluctuate less dramatically, typically ranging from 6.6mph (10.6km/h) to 9.1mph (14.6km/h) throughout the year.

The best time to visit Saint Paul

The optimal time to visit Saint Paul is typically during the summer months, from June to August. These months bring temperatures ranging from 75.6°F (24.2°C) to 81.1°F (27.3°C), relatively more dry periods, and the most plentiful daylight hours, reaching up to 15.6 hours in June. Additionally, the UV index is at its highest during these months, making it perfect for individuals seeking sunshine. Despite the peak levels of rainfall in June, the number of rainfall days remains balanced, further enhancing summer as the choice season for travelers.

The worst time to visit Saint Paul

The least favorable time to visit Saint Paul might be the winter months, specifically from December to February. These months face the harshest temperatures of the year, sinking as low as 7.3°F (-13.7°C), along with concurrent high levels of snowfall. The daylight hours dwindle, offering a maximum of 9.2 hours in February. Furthermore, the visibility during these months reduces to a minimum, undermining travel conditions.

Spring weather in Saint Paul

March welcomes Spring in Saint Paul, a season of improving weather conditions. In March, temperatures climb from 39oF to 52.3oF in April, reaching an average high of 66oF in May, rebounding from the colder winter period. Rainfall begins to increase, accumulating from 1.3" (33mm) to 2.64" (67mm) from March through May. However, snowfall decreases during this season, reducing to trace amounts by May. Daylight hours extend significantly through Spring, providing up to 14.9 hours in May, improving visibility and offering an abundance of outdoor activities.

Summer weather in Saint Paul

The summer season in Saint Paul, spanning from June to August, is notably warm with a recorded high of 81.1°F (27.3°C) in July. Rainfall reaches a peak level in June, registering at 3.82" (97mm) but begins to descend by August. There is no snowfall in these months, and daylight hours stand at their maximum, with June offering an extensive 15.6 hours. The relative humidity levels tend to rise during summer, providing a truly hot, humid season.

Autumn weather in Saint Paul

Autumn, extending from September to November, is a season of transformation in Saint Paul. The temperatures begin to fall, with high temperatures of 71.2°F (21.8°C) in September descending to a chillier 40.1°F (4.5°C) by November. Rainfall also experiences a downslope from 1.89" (48mm) to 1.14" (29mm) in November. Snowfall resurfaces in November, coinciding with the dwindling daylight hours, reaching down to 9.6 hours. The conditions in autumn provide evidence of the transitioning climate of Saint Paul.

Winter weather in Saint Paul

Winter paints a frigid portrait in Saint Paul, extending from December to February. Temperatures hit their annual lows, starting from 25.3°F (-3.7°C) in December, reaching a freezing low of 7.3°F (-13.7°C) in January. This season sees the most significant snowfall, with an annual high of 4.65" (118mm) in December. Daylight hours reach their nadir, offering a mere 8.8 hours in December. The visibly chilly weather during Saint Paul's winter season cautions travelers against venturing during these months, unless they are prepared for a real winter chill.

Weather in January

Transitioning from the festive frigid months of December into January, chilly conditions continue to prevail in Saint Paul. Low temperatures can plummet dramatically to 7.3°F (-13.7°C), often accompanied by an increased probability of snowfall. Weather in January »

Weather in February

In February, the winter's grip remains firm on the city of Saint Paul. A minor elevation in temperature can be noticed in comparison to January, suggestive of an approaching spring season. However, an impressive snowfall of 4.69" (119mm) signals February's reputation as a winter month. Weather in February »

Weather in March

As Saint Paul ushers in March, signs of spring start to show. An upward shift in temperatures breaks the long winter freeze, granting some relief from the severe chill. Notably, rainfall starts to replace snowfall and 1.3" (33mm) of precipitation is recorded in comparison to February's impressive 4.69" (119mm) of snow. Weather in March »

Weather in April

April in Saint Paul heralds the arrival of spring. Changes in the climate become drastic, with greater daylight, increased hours of sunshine, and substantial warming. The frequency of raining days increase; with precipitation peaking at 2.01" (51mm) in contrast to the 1.3" (33mm) recorded in March. Weather in April »

Weather in May

May's weather introduces a period of transformation in Saint Paul. A steady climb in temperatures announces the early onset of summer, although mornings and nights can still retain a coolness. Rainfall reaches its maximum of 2.64" (67mm), contributing to the vibrant greenery that begins to dominate the cityscape. Weather in May »

Weather in June

June ushers in summer in Saint Paul with the temperature soaring to an average high of 75.6°F (24.2°C). This significant transition brings warmer, longer, and sunnier days compared to May. Rainfall is at its peak at 3.82" (97mm) demonstrating June's reputation as a relatively wet summer month. Weather in June »

Weather in July

July is firmly situated within the heart of summer in Saint Paul. It boasts the highest temperature peaking at 81.1°F (27.3°C) compared to June's high of 75.6°F (24.2°C). The frequency of rainfall experiences a slight decline from 3.82" (97mm) in June to 2.6" (66mm). Weather in July »

Weather in August

August represents the transition from summer into fall for Saint Paul. Temperatures drop slightly from July's scorching 81.1°F (27.3°C) high, signaling the winding down of the summer heat. However, 2.2" (56mm) of rainfall is still present, indicating summer's lingering influence. Weather in August »

Weather in September

September is synonymous with the beginning of autumn in Saint Paul. The weather during this period witnesses a noticeable reduction in both temperature and rainfall compared to the previous month. Cooling is evident, as summer's fiery temperatures smoothly transition towards milder autumnal conditions. Weather in September »

Weather in October

October's weather in Saint Paul is predominantly autumnal. Temperatures continue to drop, leading to crisper mornings and evenings, although afternoon temperatures remain comfortably warm. A continued decline in rainfall from 1.89" (48mm) in September to 1.77" (45mm) signifies October's place within the drier part of the year. Weather in October »

Weather in November

November, in Saint Paul, brings the arrival of winter's early signs. A substantial decrease in temperature compared to October becomes more noticeable as winter fast approaches. The return of snowfall, at 3.27" (83mm), represents November’s defining climatic characteristic. Weather in November »

Weather in December

December's weather solidifies the onset of winter in Saint Paul. Frigid conditions take center stage as temperature falls to a chilling low of 14.9°F (-9.5°C) and snowfall picks up to 4.65" (118mm). This contrasts significantly with November's more modest 3.27" (83mm) of snow, reinforcing December's reputation as a classic winter month. Weather in December »
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January proves to be the coldest month, recording an average maximum temperature of 19.9°F (-6.7°C) and a minimum temperature of 7.3°F (-13.7°C).

What is the most humid month?

With an average relative humidity of 90%, January is the most humid month.

What is the driest month?

The month with the least rainfall in Saint Paul is January, when the rain falls for 2.1 days and typically collects 0.59" (15mm) of precipitation.

How many days does it rain?

In Saint Paul, during the entire year, the rain falls for 116.5 days and collects up to 21.81" (554mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

In Saint Paul, Minnesota, during the entire year, snow falls for 57.2 days and aggregates up to 23.15" (588mm) of snow.

What is the month with the least sunshine?

With an average of 3h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 11.2 days and typically aggregates up to 4.69" (119mm) of snow.

When is Daylight Saving Time (DST) in Saint Paul?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month?

The least humid month is April, with an average relative humidity of 71%.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.82" (97mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 36min of daylight.

What month is the hottest?

During the warmest month in Saint Paul, July, temperatures average a high of 81.1°F (27.3°C) and a low of 63.1°F (17.3°C).

What month has the most sunshine?

With an average of 9.9h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index?

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the month with the shortest days?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Saint Paul, MN

Average temperature - Saint Paul, MN

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19.9°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

Average pressure
Saint Paul, MN

Average pressure - Saint Paul, MN

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Saint Paul, MN

Average wind speed - Saint Paul, MN

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity
Saint Paul, MN

Average humidity - Saint Paul, MN

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Saint Paul, MN

Average rainfall - Saint Paul, MN

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Saint Paul, MN

Average rainfall days - Saint Paul, MN

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (2 days).

Average snowfall
Saint Paul, MN

Average snowfall - Saint Paul, MN

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Saint Paul, MN

Average snowfall days - Saint Paul, MN

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Saint Paul, MN

Average daylight / Average sunshine - Saint Paul, MN

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days
Saint Paul, MN

Average sunshine days - Saint Paul, MN

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.7 days).

Average UV index
Saint Paul, MN

Average UV index - Saint Paul, MN

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average visibility
Saint Paul, MN

Average visibility - Saint Paul, MN

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Saint Paul, Minnesota, USA

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