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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 Jeffrey City, Wyoming, is another subzero cold winter month, with temperature in the range of an average low of 12.9°F (-10.6°C) and an average high of 27.9°F (-2.3°C). Jeffrey City, Wyoming, indicates an average high-temperature of a still subzero cold 27.9°F (-2.3°C) in January, showing minor variation from December's 27.1°F (-2.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Jeffrey City, Wyoming, with temperature in the range of an average low of 14.2°F (-9.9°C) and an average high of 30°F (-1.1°C). The advent of February brings an average high-temperature of a still freezing cold 30°F (-1.1°C), almost identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Jeffrey City, is an icy month, with an average temperature fluctuating between 41.5°F (5.3°C) and 25.3°F (-3.7°C). The average high-temperature increases in March, moving from a freezing cold 30°F (-1.1°C) in February to a wintry 41.5°F (5.3°C). Weather in March »
Weather in April
April is a cool spring month in Jeffrey City, Wyoming, with an average temperature fluctuating between 50°F (10°C) and 31.5°F (-0.3°C). Jeffrey City perceives a slight temperature ascent during April, with average high-temperatures adjusting from a cold 41.5°F (5.3°C) in March to a cool 50°F (10°C). Weather in April »
Weather in May
May, the last month of the spring in Jeffrey City, is a refreshing month, with an average temperature ranging between max 61.2°F (16.2°C) and min 41.4°F (5.2°C). A rise in the average high-temperature is observed during May, moving from a cool 50°F (10°C) in April to a refreshing 61.2°F (16.2°C). Weather in May »
Weather in June
June, the first month of the summer in Jeffrey City, is a warm month, with an average temperature varying between 75.4°F (24.1°C) and 52.3°F (11.3°C). June's onset brings a rise in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in May to a warm 75.4°F (24.1°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Jeffrey City, Wyoming, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 82.9°F (28.3°C). Jeffrey City reaches its highest average temperatures in July, measuring 82.9°F (28.3°C) at the peak and 59.2°F (15.1°C) at the lowest. Weather in July »
Weather in August
August, the last month of the summer in Jeffrey City, is another warm month, with an average temperature varying between 58.5°F (14.7°C) and 80.8°F (27.1°C). With the onset of August, the average high-temperature registers at a still warm 80.8°F (27.1°C), subtly different from July's 82.9°F (28.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Jeffrey City, is also an agreeable month, with an average temperature ranging between max 71.6°F (22°C) and min 50.9°F (10.5°C). As September arrives, Jeffrey City's weather displays a decrease in high-temperatures, transitioning from August's moderately hot 80.8°F (27.1°C) to a pleasant 71.6°F (22°C). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Jeffrey City, Wyoming, with an average temperature ranging between max 53.8°F (12.1°C) and min 35.6°F (2°C). October is marked by a significant decrease, with the average high-temperature retreating from a pleasant 71.6°F (22°C) in September to a fresh 53.8°F (12.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Jeffrey City, Wyoming, with an average temperature fluctuating between 24.6°F (-4.1°C) and 40.3°F (4.6°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a cool 53.8°F (12.1°C) in October to a cold 40.3°F (4.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Jeffrey City, Wyoming, with an average temperature varying between 13.3°F (-10.4°C) and 27.1°F (-2.7°C). With its high average temperature of 27.1°F (-2.7°C) and a low of 13.3°F (-10.4°C), December is regarded as the coldest month. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Jeffrey City?
The most humid month in Jeffrey City, Wyoming, is January, with an average relative humidity of 82%.
How many days does it rain in Jeffrey City?
In Jeffrey City, during the entire year, the rain falls for 74.8 days and collects up to 5.71" (145mm) of precipitation.
When does it snow in Jeffrey City?
Months with snowfall in Jeffrey City are January through May, October through December.
How much does it snow in Jeffrey City?
Throughout the year, there are 58.1 snowfall days, and 18.94" (481mm) of snow is accumulated.
When is the lowest UV index in Jeffrey City?
The months with the lowest UV index in Jeffrey City, Wyoming, are January through April, October through December, with an average maximum UV index of 2.
What is the month with the least sunshine in Jeffrey City?
February has the least sunshine of the year in Jeffrey City, Wyoming, with an average of 6.2h of sunshine.
When does it snow the most in Jeffrey City?
The months with the most snowfall in Jeffrey City, Wyoming, are March and December, with an average 3.15" (80mm) of accumulated snow.
When is Daylight Saving Time (DST) in Jeffrey City?
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 in Jeffrey City?
April is the month with the most rainfall. Rain falls for 10.3 days and accumulates 0.79" (20mm) of precipitation.
When it does not snow in Jeffrey City?
In Jeffrey City, Wyoming, snow does not fall in June through September.
When are the longest days in Jeffrey City?
The month with the longest days in Jeffrey City, Wyoming, is June, with an average of 15h and 12min of daylight.
What is the warmest month in Jeffrey City?
In Jeffrey City, Wyoming, the peak temperatures are generally noted in July, averaging a high of 82.9°F (28.3°C) and a low of 59.2°F (15.1°C).
What is the driest month in Jeffrey City?
July and August are months with the least rain in Jeffrey City when the rain falls for 6.2 days and typically aggregates up to 0.24" (6mm) of rain.
What month has the most sunshine in Jeffrey City?
With an average of 12h of sunshine, July has the most sunshine of the year in Jeffrey City.
When is the highest UV index in Jeffrey City?
With an average maximum UV index of 6, July is the month with the highest UV index in Jeffrey City, Wyoming.
What is the least humid month in Jeffrey City?
August is the least humid month in Jeffrey City, with an average relative humidity of 34%.
What time of the year is the coldest in Jeffrey City?
The coldest period is December, when temperatures fluctuate between an average high of 27.1°F (-2.7°C) and a low of 13.3°F (-10.4°C).
What is the month with the shortest days in Jeffrey City?
December has the shortest days of the year in Jeffrey City, with an average of 9h and 6min of daylight.
Average temperature
Jeffrey City, WY
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.1°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure
Jeffrey City, WY
- Average pressure in January:
30.2"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Jeffrey City, WY
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.9mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.5mph
The windiest months (with the highest average wind speed) are April and November (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Jeffrey City, WY
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (34%).
Average rainfall
Jeffrey City, WY
- Average rainfall in January:
0.35" - Average rainfall in February:
0.43" - Average rainfall in March:
0.63" - Average rainfall in April:
0.79" - Average rainfall in May:
0.71" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.24" - Average rainfall in September:
0.35" - Average rainfall in October:
0.59" - Average rainfall in November:
0.51" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is April (0.79").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days
Jeffrey City, WY
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
5.5 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
8.7 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
6.2 days - Average rainfall days in August:
5.6 days - Average rainfall days in September:
6 days - Average rainfall days in October:
5.2 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is April (10.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Jeffrey City, WY
- Average snowfall in January:
2.36" - Average snowfall in February:
2.56" - Average snowfall in March:
3.15" - Average snowfall in April:
2.48" - Average snowfall in May:
0.63" - Average snowfall in June:
0"
The months with the highest snowfall are March and December (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jeffrey City, WY
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
8.4 days - Average snowfall days in April:
5.6 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 days - Average snowfall days in October:
4.5 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
10.5 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jeffrey City, 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 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days
Jeffrey City, WY
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
18.2 days - Average sunshine days in June:
20.5 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
21.3 days - Average sunshine days in September:
22.1 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is April (14.5 days).
Average UV index
Jeffrey City, WY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Jeffrey City, WY
The month with the most cloud cover is February (Cloud cover 37).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility
Jeffrey City, 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).
Jeffrey City, Wyoming, USA
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