Saint John
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Saint John, ND

January, like December, is another subzero cold winter month in Saint John, North Dakota, with average temperature varying between 14.2°F (-9.9°C) and 0.5°F (-17.5°C). January is the coldest month, with an average high-temperature of 14.2°F (-9.9°C) and an average low-temperature of 0.5°F (-17.5°C). Weather in January »

February, the last month of the winter, in Saint John, is another freezing cold month, with average temperature ranging between min 0.9°F (-17.3°C) and max 15.3°F (-9.3°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 15.3°F (-9.3°C). Weather in February »

The first month of the spring, March, is still a freezing cold month in Saint John, North Dakota, with average temperature ranging between max 30.7°F (-0.7°C) and min 16.7°F (-8.5°C). In Saint John, the average high-temperature in March significantly increases, from a freezing cold 15.3°F (-9.3°C) in February, to a still subzero cold 30.7°F (-0.7°C). Weather in March »

April in Saint John, North Dakota, is a chilly spring month, with average temperature varying between 31.5°F (-0.3°C) and 46.6°F (8.1°C). In Saint John, the average high-temperature soars, from a subzero cold 30.7°F (-0.7°C) in March, to a frosty 46.6°F (8.1°C). Weather in April »

The last month of the spring, May, is a comfortable month in Saint John, North Dakota, with average temperature fluctuating between 44.4°F (6.9°C) and 61.3°F (16.3°C). In Saint John, the average high-temperature in May increases considerably, from a frosty 46.6°F (8.1°C) in April, to an enjoyable 61.3°F (16.3°C). Weather in May »

June, the first month of the summer, in Saint John, is an agreeable month, with average temperature fluctuating between 70.7°F (21.5°C) and 53.4°F (11.9°C). In Saint John, the average high-temperature in June increases, from an enjoyable 61.3°F (16.3°C) in May, to an agreeable 70.7°F (21.5°C). Weather in June »

July is a moderately hot summer month in Saint John, North Dakota, with average temperature varying between 57.2°F (14°C) and 77.4°F (25.2°C). In July, the average high-temperature marginally rises, from an agreeable 70.7°F (21.5°C) in June, to a warm 77.4°F (25.2°C). Weather in July »

August, the last month of the summer, in Saint John, is another warm month, with average temperature ranging between max 77.9°F (25.5°C) and min 56.5°F (13.6°C). With an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 56.5°F (13.6°C), August is the warmest month. Weather in August »

September, the first month of the autumn, in Saint John, is also an enjoyable month, with average temperature varying between 67.6°F (19.8°C) and 49.1°F (9.5°C). In September, the average high-temperature drops, from a warm 77.9°F (25.5°C) in August, to an enjoyable 67.6°F (19.8°C). Weather in September »

October, like September, is another chilly autumn month in Saint John, North Dakota, with average temperature ranging between min 36.3°F (2.4°C) and max 49.8°F (9.9°C). In October, the average high-temperature plummets, from a comfortable 67.6°F (19.8°C) in September, to a frosty 49.8°F (9.9°C). Weather in October »

November, the last month of the autumn, in Saint John, is also a wintry month, with average temperature varying between 32.2°F (0.1°C) and 20.7°F (-6.3°C). In Saint John, the average high-temperature significantly decreases, from a frosty 49.8°F (9.9°C) in October, to a wintry 32.2°F (0.1°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Saint John, North Dakota, with average temperature ranging between min 5.9°F (-14.5°C) and max 16.7°F (-8.5°C). In December, the average high-temperature significantly decreases, from a wintry 32.2°F (0.1°C) in November, to a subzero cold 16.7°F (-8.5°C). Weather in December »

What is the coldest month in Saint John?

The coldest month in Saint John is January, with an average high-temperature of 14.2°F (-9.9°C) and an average low-temperature of 0.5°F (-17.5°C).

What is the most humid month in Saint John?

The most humid month in Saint John, North Dakota, is January, with an average relative humidity of 93%.

How much does it rain in Saint John?

Throughout the year, in Saint John, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.

When does it snow in Saint John?

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

How much does it snow in Saint John?

Throughout the year, there are 86.8 snowfall days, and 23.78" (604mm) of snow is accumulated.

What is the month with the least sunshine in Saint John?

The month with the least sunshine in Saint John, North Dakota, is January, with an average of 3.1h of sunshine.

When is the lowest UV index in Saint John?

Months with the lowest UV index in Saint John, North Dakota, are January, February and December, with an average maximum UV index of 1.

What is the driest month in Saint John?

The month with the least rainfall is February when the rain falls for 2 days and typically collects 0.43" (11mm) of precipitation.

What is the wettest month in Saint John?

The month with the most rainfall is June when the rain falls for 18.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Saint John?

In Saint John, North Dakota, snow does not fall in June through September.

When are the longest days in Saint John?

With an average of 16.1h of daylight, June has the longest days of the year in Saint John, North Dakota.

When is the highest UV index in Saint John?

Months with the highest UV index are June through August, with an average maximum UV index of 5.

What month has the most sunshine in Saint John?

The month with the most sunshine is July, with an average of 11h of sunshine.

What is the warmest month in Saint John?

The warmest month is August, with an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 56.5°F (13.6°C).

What is the least humid month in Saint John?

The least humid month in Saint John, North Dakota, is August, with an average relative humidity of 60%.

When does it snow the most in Saint John?

November is the month with the most snowfall in Saint John, North Dakota. Snow falls for 12 days and accumulates 4.29" (109mm) of snow.

What is the month with the shortest days in Saint John?

December has the shortest days of the year, with an average of 8.3h of daylight.
Average temperature - Saint John, ND
Average rainfall - Saint John, ND
Average rainfall days - Saint John, ND

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).

Average snowfall - Saint John, ND
Average snowfall days - Saint John, ND

The month with the highest number of snowfall days is December (15.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Saint John, ND

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 3.1h).

Average UV index - Saint John, ND