Climate and monthly weather forecastSaint John, ND
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Saint John, North Dakota, with an average temperature ranging between min 0.5°F (-17.5°C) and max 14.2°F (-9.9°C). January, recording an average high temperature of 14.2°F (-9.9°C) and a low temperature of 0.5°F (-17.5°C), is Saint John's coldest month. Weather in January »Weather in February
February, the last month of the winter in Saint John, is also a subzero cold month, with temperature in the range of an average low of 0.9°F (-17.3°C) and an average high of 15.3°F (-9.3°C). Saint John, North Dakota, observes an average high-temperature of a still subzero cold 15.3°F (-9.3°C) in February, barely different from 14.2°F (-9.9°C) in January. Weather in February »Weather in March
The first month of the spring, March, is also a subzero cold month in Saint John, North Dakota, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 16.7°F (-8.5°C). As March begins, there is a noticeable increase in the average high-temperature, soaring from 15.3°F (-9.3°C) in February to a still freezing cold 30.7°F (-0.7°C). Weather in March »Weather in April
April is a chilly spring month in Saint John, North Dakota, with an average temperature fluctuating between 46.6°F (8.1°C) and 31.5°F (-0.3°C). The start of April signals a clear increase in the average high-temperature, soaring from a freezing cold 30.7°F (-0.7°C) in March to a chilly 46.6°F (8.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Saint John, North Dakota, with an average temperature ranging between min 44.4°F (6.9°C) and max 61.3°F (16.3°C). May's arrival signals a distinct temperature shift, escalating from a chilly 46.6°F (8.1°C) in April to a refreshing 61.3°F (16.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Saint John, North Dakota, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 53.4°F (11.9°C). In Saint John, the average high-temperature in June rises, from a comfortable 61.3°F (16.3°C) in May, to a pleasant 70.7°F (21.5°C). Weather in June »Weather in July
July is a warm summer month in Saint John, North Dakota, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 57.2°F (14°C). July sees a marginal temperature increase, moving from an agreeable 70.7°F (21.5°C) in June to a warm 77.4°F (25.2°C). Weather in July »Weather in August
August, the last month of the summer in Saint John, is another warm month, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 77.9°F (25.5°C). The warmest temperatures occur during August, when averages reach a peak of 77.9°F (25.5°C) and a low of 56.5°F (13.6°C). Weather in August »Weather in September
September, the first month of the autumn in Saint John, is also an enjoyable month, with an average temperature ranging between min 49.1°F (9.5°C) and max 67.6°F (19.8°C). The onset of September is marked by a decrease in temperature, transitioning from a warm 77.9°F (25.5°C) in August to a refreshing 67.6°F (19.8°C). Weather in September »Weather in October
October, the same as September, in Saint John, North Dakota, is another chilly autumn month, with an average temperature varying between 36.3°F (2.4°C) and 49.8°F (9.9°C). With the transition into October, Saint John experiences a significant decrease in average high-temperatures, moving down from a comfortable 67.6°F (19.8°C) in September to a chilly 49.8°F (9.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Saint John, North Dakota, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 32.2°F (0.1°C). A decrease in the average high-temperature marks November, falling from October's frosty 49.8°F (9.9°C) to a wintry 32.2°F (0.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Saint John, North Dakota, with temperature in the range of an average high of 16.7°F (-8.5°C) and an average low of 5.9°F (-14.5°C). As November transitions into December, Saint John sees a clear drop in the average high-temperature, declining from a wintry 32.2°F (0.1°C) to a subzero cold 16.7°F (-8.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Saint John, ND
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure
Saint John, ND
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Saint John, ND
- Average wind speed in January:
10.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.6mph - Average wind speed in May:
10.3mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.8mph - Average wind speed in October:
11mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Saint John, ND
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall
Saint John, ND
- Average rainfall in January:
0.51" - Average rainfall in February:
0.43" - Average rainfall in March:
0.94" - Average rainfall in April:
1.46" - Average rainfall in May:
2.2" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.52" - Average rainfall in August:
1.69" - Average rainfall in September:
2.01" - Average rainfall in October:
1.5" - Average rainfall in November:
0.71" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days
Saint John, ND
- Average rainfall days in January:
2.9 days - Average rainfall days in February:
2 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
2.7 days
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 in January:
3.27" - Average snowfall in February:
2.76" - Average snowfall in March:
3.58" - Average snowfall in April:
3.27" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Saint John, ND
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
14.4 days - Average snowfall days in April:
7.9 days - Average snowfall days in May:
1.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
5.3 days - Average snowfall days in November:
12 days - Average snowfall days in December:
15.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saint John, ND
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 12min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 42min - Average sunshine in November:
4h and 24min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Saint John, ND
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index
Saint John, ND
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Saint John, ND
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Saint John, ND
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





