Climate and monthly weather forecastHanna, WY
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hanna, Wyoming, is a freezing cold winter month, with an average temperature ranging between max 27.5°F (-2.5°C) and min 13.3°F (-10.4°C). The arrival of January brings an average high-temperature of a still freezing cold 27.5°F (-2.5°C), closely following the temperature pattern of December. Weather in January »Weather in February
February, the last month of the winter in Hanna, is also a subzero cold month, with an average temperature ranging between max 29.5°F (-1.4°C) and min 14.7°F (-9.6°C). As Hanna, Wyoming, welcomes February, the average high-temperature stabilizes at a still subzero cold 29.5°F (-1.4°C), showing little deviation from January's 27.5°F (-2.5°C). Weather in February »Weather in March
The first month of the spring, March, is an icy month in Hanna, Wyoming, with an average temperature varying between 24.8°F (-4°C) and 40.6°F (4.8°C). With the beginning of March, Hanna's average high-temperature sees an increase, transitioning from a subzero cold 29.5°F (-1.4°C) in February to a wintry 40.6°F (4.8°C). Weather in March »Weather in April
April in Hanna, Wyoming, is a chilly spring month, with an average temperature ranging between min 30.9°F (-0.6°C) and max 48.7°F (9.3°C). As April arrives, a slight rise in the average high-temperature is observed, moving from a wintry 40.6°F (4.8°C) in March to a frosty 48.7°F (9.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Hanna, Wyoming, with an average temperature varying between 40.1°F (4.5°C) and 60.4°F (15.8°C). May's onset brings a rise in the average high-temperature, moving from a frosty 48.7°F (9.3°C) in April to a refreshing 60.4°F (15.8°C). Weather in May »Weather in June
June, the first month of the summer in Hanna, is a warm month, with an average temperature fluctuating between 51.4°F (10.8°C) and 74.5°F (23.6°C). Hanna sees an increase in average high-temperatures during June, moving from a refreshing 60.4°F (15.8°C) in May to a warm 74.5°F (23.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Hanna, Wyoming, with an average temperature ranging between max 81.7°F (27.6°C) and min 58.3°F (14.6°C). July stands out as Hanna's warmest month, with temperatures ranging between an average high of 81.7°F (27.6°C) and a low of 58.3°F (14.6°C). Weather in July »Weather in August
August, the last month of the summer in Hanna, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 56.8°F (13.8°C). With the onset of August, a modest change to a still moderately hot 79.7°F (26.5°C) from July's 81.7°F (27.6°C) is noted in high-temperature. Weather in August »Weather in September
September, the first month of the autumn in Hanna, is still a pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 50.2°F (10.1°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 79.7°F (26.5°C) to a pleasant 70.9°F (21.6°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Hanna, Wyoming, with an average temperature fluctuating between 52.7°F (11.5°C) and 35.1°F (1.7°C). October's onset witnesses a marked shift in the average high-temperature, moving from an agreeable 70.9°F (21.6°C) in September to a fresh 52.7°F (11.5°C). Weather in October »Weather in November
November, the last month of the autumn in Hanna, is another cold month, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 39°F (3.9°C). In Hanna, the average high-temperature in November drops from a fresh 52.7°F (11.5°C) in October to a cold 39°F (3.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Hanna, Wyoming, with temperature in the range of an average low of 13.1°F (-10.5°C) and an average high of 26.4°F (-3.1°C). December is Hanna's coldest month, registering average high temperatures of 26.4°F (-3.1°C) and lows of 13.1°F (-10.5°C). Weather in December »Updated: Jul 3, 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
January is the most humid month in Hanna, with an average relative humidity of 83%.
In Hanna, during the entire year, the rain falls for 80.5 days and collects up to 8.39" (213mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, there are 70.3 snowfall days, and 29.57" (751mm) of snow is accumulated.
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.
The months with the least sunshine in Hanna are February and December, with an average of 5.9h of sunshine.
The month with the most snowfall is March, when snow falls for 10.8 days and typically aggregates up to 5.47" (139mm) of snow.
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.
The month with the most rainfall is April, when the rain falls for 10.4 days and typically aggregates up to 1.34" (34mm) of precipitation.
In Hanna, Wyoming, snow does not fall in June through August.
June has the longest days of the year, with an average of 15h and 12min of daylight.
With its average high temperature of 81.7°F (27.6°C) and a low of 58.3°F (14.6°C), July is regarded as the warmest month.
July has the most sunshine of the year, with an average of 12h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
August is the least humid month in Hanna, with an average relative humidity of 34%.
The month with the least rainfall is August, when the rain falls for 5.7 days and typically collects 0.24" (6mm) of precipitation.
December is the coldest month, with an average high-temperature of 26.4°F (-3.1°C) and an average low-temperature of 13.1°F (-10.5°C).
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Hanna, WY
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (26.4°F).
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure
Hanna, WY
- Average pressure in January:
30.21"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.01"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:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Hanna, WY
- Average wind speed in January:
11.9mph - Average wind speed in February:
12.1mph - Average wind speed in March:
11.6mph - Average wind speed in April:
11.9mph - Average wind speed in May:
10.7mph - Average wind speed in June:
11mph
- Average wind speed in July:
9.3mph - Average wind speed in August:
9.3mph - Average wind speed in September:
10.5mph - Average wind speed in October:
11.6mph - Average wind speed in November:
12.4mph - Average wind speed in December:
11.7mph
The windiest month (with the highest average wind speed) is November (12.4mph).
The calmest months (with the lowest average wind speed) are July and August (9.3mph).
Average humidity
Hanna, WY
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (34%).
Average rainfall
Hanna, WY
- Average rainfall in January:
0.59" - Average rainfall in February:
0.63" - Average rainfall in March:
0.94" - Average rainfall in April:
1.34" - Average rainfall in May:
1.26" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.24" - Average rainfall in September:
0.39" - Average rainfall in October:
0.87" - Average rainfall in November:
0.71" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days
Hanna, WY
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
7.9 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
5.7 days - Average rainfall days in September:
6.2 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Hanna, WY
The month with the highest snowfall is March (5.47").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Hanna, WY
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
7.9 days - Average snowfall days in May:
2.7 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:
0.1 days - Average snowfall days in October:
5.2 days - Average snowfall days in November:
8.5 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Hanna, WY
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 12min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
5h and 54min - Average sunshine in March:
8h and 30min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 48min - Average sunshine in December:
5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 5h and 54min).
Average sunshine days
Hanna, WY
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
15 days - Average sunshine days in June:
19.8 days
- Average sunshine days in July:
23.4 days - Average sunshine days in August:
23.6 days - Average sunshine days in September:
22.4 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is April (12.6 days).
Average UV index
Hanna, 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
Hanna, WY
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Hanna, WY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
