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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Riverton, Minnesota, is another subzero cold winter month, with temperature in the range of an average high of 17.6°F (-8°C) and an average low of 3.6°F (-15.8°C). January is Riverton's coldest month, registering average high temperatures of 17.6°F (-8°C) and lows of 3.6°F (-15.8°C). Weather in January »
Weather in February
February, the last month of the winter in Riverton, is also a subzero cold month, with an average temperature ranging between min 6.1°F (-14.4°C) and max 21.6°F (-5.8°C). In February, Riverton experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 17.6°F (-8°C) in January to a still subzero cold 21.6°F (-5.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Riverton, Minnesota, with an average temperature varying between 35.8°F (2.1°C) and 21.6°F (-5.8°C). Riverton sees an increase in average high-temperatures during March, moving from a freezing cold 21.6°F (-5.8°C) in February to a wintry 35.8°F (2.1°C). Weather in March »
Weather in April
April in Riverton, Minnesota, is a frosty spring month, with an average temperature fluctuating between 49.6°F (9.8°C) and 32.5°F (0.3°C). The arrival of April brings an increase in high-temperatures, moving from an icy 35.8°F (2.1°C) in March to a frosty 49.6°F (9.8°C). Weather in April »
Weather in May
May, the last month of the spring in Riverton, is an enjoyable month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 64.6°F (18.1°C). As May sets, the average high-temperature displays a significant increase, moving up from a frosty 49.6°F (9.8°C) in April to an enjoyable 64.6°F (18.1°C). Weather in May »
Weather in June
June, the first month of the summer in Riverton, is a warm month, with an average temperature varying between 74.8°F (23.8°C) and 54°F (12.2°C). June's arrival coincides with a rise in the average high-temperature, moving from May's enjoyable 64.6°F (18.1°C) to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Riverton, Minnesota, is a moderately hot summer month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 80.8°F (27.1°C). July, with its average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 58.8°F (14.9°C), holds the record as the warmest month. The average heat index in July is computed to be 84.2°F (29°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Riverton, Minnesota, with an average temperature fluctuating between 56.3°F (13.5°C) and 78.4°F (25.8°C). Riverton's weather in August displays an average high-temperature of a still moderately hot 78.4°F (25.8°C), showing minor disparity from July's 80.8°F (27.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Riverton, is also an agreeable month, with an average temperature varying between 49.1°F (9.5°C) and 69.3°F (20.7°C). Welcoming September, Riverton observes a shift in the average high-temperature, falling from August's warm 78.4°F (25.8°C) to a pleasant 69.3°F (20.7°C). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Riverton, Minnesota, with an average temperature ranging between min 37.8°F (3.2°C) and max 52°F (11.1°C). The start of October is characterized by a significant decrease in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in September to a fresh 52°F (11.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Riverton, is also an icy month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 36.3°F (2.4°C). The onset of November brings a clear temperature shift, with the average high-temperature decreasing from a cool 52°F (11.1°C) in October to a cold 36.3°F (2.4°C). Weather in November »
Weather in December
December, the first month of the winter in Riverton, is also a subzero cold month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 11.1°F (-11.6°C). December's onset corresponds with a shift in the average high-temperature, moving from a wintry 36.3°F (2.4°C) in November to a freezing cold 22.3°F (-5.4°C). Weather in December »
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
January is the coldest month of the year, registering average temperatures as high as 17.6°F (-8°C) and as low as 3.6°F (-15.8°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 92%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 2.2 days and accumulates 0.71" (18mm) of precipitation.
How many days does it rain?
In Riverton, during the entire year, the rain falls for 108 days and collects up to 19.88" (505mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 95.3 snowfall days, and 35.67" (906mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 2.3h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
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?
May is the least humid month, with an average relative humidity of 70%.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.11" (79mm) of precipitation.
When it does not snow?
In Riverton, snow does not fall in June through September.
When are the longest days in Riverton?
With an average of 15h and 48min of daylight, June has the longest days of the year.
What part of the year is the hottest?
July registers as the month with the average highest temperatures, reaching 80.8°F (27.1°C) at its peak and 58.8°F (14.9°C) at the lowest.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10h of sunshine.
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 snowiest month?
The month with the most snowfall is December, when snow falls for 18.7 days and typically aggregates up to 8.58" (218mm) of snow.
What is the month with the shortest days?
December has the shortest days of the year in Riverton, Minnesota, with an average of 8h and 42min of daylight.
Average temperature
Riverton, MN
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (17.6°F).
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure
Riverton, MN
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Riverton, MN
- Average wind speed in January:
6.7mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.5mph - Average wind speed in May:
7.1mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.1mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Riverton, MN
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Riverton, MN
- Average rainfall in January:
0.71" - Average rainfall in February:
0.79" - Average rainfall in March:
1.26" - Average rainfall in April:
2.05" - Average rainfall in May:
2.32" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.52" - Average rainfall in August:
1.85" - Average rainfall in September:
1.26" - Average rainfall in October:
1.89" - Average rainfall in November:
0.91" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Riverton, MN
- Average rainfall days in January:
2.2 days - Average rainfall days in February:
2.2 days - Average rainfall days in March:
7.7 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
2.8 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.2 days).
Average snowfall
Riverton, MN
- Average snowfall in January:
5.31" - Average snowfall in February:
5.71" - Average snowfall in March:
5.31" - Average snowfall in April:
3.9" - Average snowfall in May:
1.65" - Average snowfall in June:
0"
The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Riverton, MN
- Average snowfall days in January:
20.6 days - Average snowfall days in February:
18.7 days - Average snowfall days in March:
13.3 days - Average snowfall days in April:
7.3 days - Average snowfall days in May:
1.3 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:
4.2 days - Average snowfall days in November:
11.2 days - Average snowfall days in December:
18.7 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Riverton, MN
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
2h and 2min - Average sunshine in February:
2h and 3min - Average sunshine in March:
4h and 1min - Average sunshine in April:
6h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 1min - Average sunshine in December:
2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days
Riverton, MN
- Average sunshine days in January:
11.7 days - Average sunshine days in February:
10.1 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
17 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is February (10.1 days).
Average UV index
Riverton, 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 cloud cover
Riverton, MN
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Riverton, MN
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Riverton, Minnesota, USA
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