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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, like December, in Jay Em, Wyoming, is another cold winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 33.1°F (0.6°C). During January, the average high-temperature is a still cold 33.1°F (0.6°C), maintaining a close resemblance to that of the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Jay Em, is also an icy month, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 19.8°F (-6.8°C). As January transitions into February, Jay Em records an average high-temperature of a still wintry 34.3°F (1.3°C), showing a gentle shift from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Jay Em, is a frosty month, with an average temperature varying between 47.5°F (8.6°C) and 30.2°F (-1°C). March's onset witnesses a shift in the average high-temperature, moving from an icy 34.3°F (1.3°C) in February to a chilly 47.5°F (8.6°C). Weather in March »
Weather in April
April in Jay Em, Wyoming, is a cool spring month, with an average temperature varying between 36.1°F (2.3°C) and 54.5°F (12.5°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a frosty 47.5°F (8.6°C) in March to a fresh 54.5°F (12.5°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Jay Em, Wyoming, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 64.2°F (17.9°C). In May, the meteorological conditions change with the average high-temperature moving from a cool 54.5°F (12.5°C) in April to a refreshing 64.2°F (17.9°C). Weather in May »
Weather in June
June, the first month of the summer in Jay Em, is a warm month, with an average temperature varying between 78.3°F (25.7°C) and 56.1°F (13.4°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a refreshing 64.2°F (17.9°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, like June, in Jay Em, Wyoming, is another warm summer month, with an average temperature varying between 64.2°F (17.9°C) and 85.8°F (29.9°C). Jay Em's warmest month, July, generally records average temperatures ranging from a high of 85.8°F (29.9°C) to a low of 64.2°F (17.9°C). The heat index in July is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Jay Em, is also a moderately hot month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 62.8°F (17.1°C). August brings an average high-temperature of a still moderately hot 83.8°F (28.8°C), nearly identical to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Jay Em, is also a moderately hot month, with an average temperature fluctuating between 75.4°F (24.1°C) and 55.2°F (12.9°C). The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 83.8°F (28.8°C) to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, the same as September, in Jay Em, Wyoming, is another mild autumn month, with an average temperature ranging between max 57°F (13.9°C) and min 40.3°F (4.6°C). The shift into October brings a noticeable decrease in the average high-temperature, falling from a moderately hot 75.4°F (24.1°C) in September to a mild 57°F (13.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Jay Em, is another chilly month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 45.1°F (7.3°C). With November's onset, the average high-temperature recedes from October's moderate 57°F (13.9°C) to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Jay Em, Wyoming, with an average temperature fluctuating between 18.9°F (-7.3°C) and 32°F (0°C). December, marked by an average high-temperature of 32°F (0°C) and a low-temperature of 18.9°F (-7.3°C), is the coldest month. Weather in December »
Updated: Jul 18, 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 most humid month?
The most humid month is January, with an average relative humidity of 74%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.28" (7mm) of precipitation.
How many days does it rain?
Throughout the year, there are 94.7 rainfall days, and 10.39" (264mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, September through December.
How many days does it snow?
Throughout the year, there are 43.6 snowfall days, and 15.63" (397mm) of snow is accumulated.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February and December, with an average of 6.2h of sunshine, are months with the least sunshine.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 6.1 days and accumulates 2.56" (65mm) of snow.
When is Daylight Saving Time (DST) in Jay Em?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the wettest month?
The months with the most rainfall in Jay Em are May and June, with an average 1.57" (40mm) of precipitation.
When it does not snow?
In Jay Em, snow does not fall in June through August.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
When is the highest UV index?
The months with the highest UV index in Jay Em are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Jay Em?
Temperature records mark July as the warmest month, with highs averaging 85.8°F (29.9°C) and lows at 64.2°F (17.9°C).
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 11.8h of sunshine.
What are the least humid months?
The months with the lowest humidity are August and September, with an average relative humidity of 44%.
What month is the coldest?
Jay Em's coldest month, December, registers temperatures that range from a high of 32°F (0°C) to a low of 18.9°F (-7.3°C).
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Jay Em, WY
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure
Jay Em, WY
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Jay Em, WY
- Average wind speed in January:
11.6mph - Average wind speed in February:
11.1mph - Average wind speed in March:
11.1mph - Average wind speed in April:
11.9mph - Average wind speed in May:
11.1mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.7mph - Average wind speed in August:
9.3mph - Average wind speed in September:
10.6mph - Average wind speed in October:
11.2mph - Average wind speed in November:
10.9mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity
Jay Em, WY
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall
Jay Em, WY
- Average rainfall in January:
0.28" - Average rainfall in February:
0.35" - Average rainfall in March:
0.71" - Average rainfall in April:
1.1" - Average rainfall in May:
1.57" - Average rainfall in June:
1.57"
- Average rainfall in July:
1.38" - Average rainfall in August:
1.26" - Average rainfall in September:
0.67" - Average rainfall in October:
0.75" - Average rainfall in November:
0.35" - Average rainfall in December:
0.39"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days
Jay Em, WY
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
7.2 days - Average rainfall days in October:
5.2 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 May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall
Jay Em, WY
- Average snowfall in January:
1.57" - Average snowfall in February:
1.85" - Average snowfall in March:
2.56" - Average snowfall in April:
2.52" - Average snowfall in May:
2.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Jay Em, WY
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
8 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
5 days - Average snowfall days in May:
1.8 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:
0.3 days - Average snowfall days in October:
3 days - Average snowfall days in November:
5.5 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Jay Em, WY
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 1min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 4min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days
Jay Em, WY
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
19.2 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
20 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Jay Em, WY
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Jay Em, WY
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Jay Em, WY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jay Em, Wyoming, USA
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