Climate and monthly weather forecastUmiat, AK
Climate and monthly weather forecast
Weather in January
January, like December, in Umiat, Alaska, is a life-threatening cold winter month, with an average temperature varying between -8.9°F (-22.7°C) and -20.7°F (-29.3°C). January is the coldest month, with an average high-temperature of -8.9°F (-22.7°C) and an average low-temperature of -20.7°F (-29.3°C). Weather in January »Weather in February
February, the last month of the winter in Umiat, is also a dangerously cold month, with an average temperature fluctuating between -17.1°F (-27.3°C) and -4.5°F (-20.3°C). With the onset of February, the average high-temperature registers at a still dangerously cold -4.5°F (-20.3°C), subtly different from January's -8.9°F (-22.7°C). Weather in February »Weather in March
March, the first month of the spring in Umiat, is a polar cold month, with temperature in the range of an average low of -17°F (-27.2°C) and an average high of -2°F (-18.9°C). As March unfolds, the average high-temperature reaches an arctic cold -2°F (-18.9°C), hinting at a slight fluctuation from the previous month. Weather in March »Weather in April
April is a frigid cold spring month in Umiat, Alaska, with temperature in the range of an average low of -3.3°F (-19.6°C) and an average high of 12.7°F (-10.7°C). As April arrives, Umiat's weather displays a notable increase in high-temperatures, climbing from March's polar cold -2°F (-18.9°C) to an extremely cold 12.7°F (-10.7°C). Weather in April »Weather in May
The last month of the spring, May, is a subzero cold month in Umiat, Alaska, with an average temperature ranging between max 31.3°F (-0.4°C) and min 20.1°F (-6.6°C). May's arrival witnesses a distinct temperature rise, advancing from April's extreme cold 12.7°F (-10.7°C) to a freezing cold 31.3°F (-0.4°C). Weather in May »Weather in June
The first month of the summer, June, is a mild month in Umiat, Alaska, with an average temperature ranging between min 40.1°F (4.5°C) and max 55.8°F (13.2°C). As Umiat steps into June, a marked temperature rise is observed, with the average high-temperature advancing from May's freezing cold 31.3°F (-0.4°C) to a mild 55.8°F (13.2°C). Weather in June »Weather in July
July is a comfortable summer month in Umiat, Alaska, with an average temperature varying between 46.2°F (7.9°C) and 63.7°F (17.6°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 63.7°F (17.6°C) and a low of 46.2°F (7.9°C). Weather in July »Weather in August
The last month of the summer, August, is also a fresh month in Umiat, Alaska, with an average temperature fluctuating between 40.6°F (4.8°C) and 54.1°F (12.3°C). Umiat observes a minor decrease in the average high-temperature with the arrival of August, falling from July's comfortable 63.7°F (17.6°C) to a fresh 54.1°F (12.3°C). Weather in August »Weather in September
September, the first month of the autumn in Umiat, is also an icy month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 41°F (5°C). As September begins, there is a decrease in the average high-temperature, falling from a fresh 54.1°F (12.3°C) in August to an icy 41°F (5°C). Weather in September »Weather in October
October, like September, is a freezing cold autumn month in Umiat, Alaska, with an average temperature varying between 15.6°F (-9.1°C) and 23.4°F (-4.8°C). The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from a wintry 41°F (5°C) to a freezing cold 23.4°F (-4.8°C). Weather in October »Weather in November
November, the last month of the autumn in Umiat, is also an arctic cold month, with an average temperature ranging between max 3.6°F (-15.8°C) and min -6.7°F (-21.5°C). With the beginning of November, Umiat's average high-temperature experiences a significant decrease, moving from a freezing cold 23.4°F (-4.8°C) in October to a polar cold 3.6°F (-15.8°C). Weather in November »Weather in December
The first month of the winter, December, is a dangerously cold month in Umiat, Alaska, with temperature in the range of an average high of -7.8°F (-22.1°C) and an average low of -18.8°F (-28.2°C). As December arrives, Umiat's weather displays a decrease in high-temperatures, transitioning from November's polar cold 3.6°F (-15.8°C) to a life-threatening cold -7.8°F (-22.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Umiat, AK
The warmest month (with the highest average high temperature) is July (63.7°F).
The month with the lowest average high temperature is January (-8.9°F).
- Average low temperature in January:
-20.7°F - Average low temperature in February:
-17.1°F - Average low temperature in March:
-17°F - Average low temperature in April:
-3.3°F - Average low temperature in May:
20.1°F - Average low temperature in June:
40.1°F
The month with the highest average low temperature is July (46.2°F).
The coldest month (with the lowest average low temperature) is January (-20.7°F).
Average pressure
Umiat, AK
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.85"Hg - Average pressure in September:
29.83"Hg - Average pressure in October:
29.87"Hg - Average pressure in November:
29.93"Hg - Average pressure in December:
29.98"Hg
The months with the highest atmospheric pressure are January and March (30.06"Hg).
The month with the lowest atmospheric pressure is September (29.83"Hg).
Average wind speed
Umiat, AK
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.6mph - Average wind speed in March:
5.9mph - Average wind speed in April:
5.8mph - Average wind speed in May:
6.1mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
8mph - Average wind speed in August:
7.9mph - Average wind speed in September:
7.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity
Umiat, AK
The months with the highest relative humidity are April and May (93%).
The month with the lowest relative humidity is July (65%).
Average rainfall
Umiat, AK
- Average rainfall in January:
0.28" - Average rainfall in February:
0.35" - Average rainfall in March:
0.39" - Average rainfall in April:
0.39" - Average rainfall in May:
0.47" - Average rainfall in June:
0.79"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.65" - Average rainfall in September:
0.94" - Average rainfall in October:
0.75" - Average rainfall in November:
0.55" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is August (1.65").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days
Umiat, AK
- Average rainfall days in January:
1.3 days - Average rainfall days in February:
0.7 days - Average rainfall days in March:
2.5 days - Average rainfall days in April:
3.7 days - Average rainfall days in May:
6.8 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
3.9 days - Average rainfall days in November:
1.9 days - Average rainfall days in December:
1.5 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is February (0.7 days).
Average snowfall
Umiat, AK
- Average snowfall in January:
2.01" - Average snowfall in February:
2.28" - Average snowfall in March:
2.72" - Average snowfall in April:
2.52" - Average snowfall in May:
2.01" - Average snowfall in June:
0.43"
The month with the highest snowfall is October (5.08").
The month with the least snowfall is July (0").
Average snowfall days
Umiat, AK
- Average snowfall days in January:
15.3 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
14.9 days - Average snowfall days in April:
14.3 days - Average snowfall days in May:
12.5 days - Average snowfall days in June:
2.3 days
- Average snowfall days in July:
0.1 days - Average snowfall days in August:
1.9 days - Average snowfall days in September:
11.4 days - Average snowfall days in October:
17.1 days - Average snowfall days in November:
19.2 days - Average snowfall days in December:
16.3 days
The month with the highest number of snowfall days is November (19.2 days).
The month with the least snowfall days is July (0.1 days).
Average daylight / Average sunshine
Umiat, AK
- Average daylight in January:
2h and 6min - Average daylight in February:
7h and 30min - Average daylight in March:
11h and 48min - Average daylight in April:
16h and 12min - Average daylight in May:
11h and 54min - Average daylight in June:
0h and 0min
- Average daylight in July:
5h and 36min - Average daylight in August:
17h and 48min - Average daylight in September:
13h and 12min - Average daylight in October:
9h and 0min - Average daylight in November:
3h and 48min - Average daylight in December:
0h and 0min
The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in January:
1h and 0min - Average sunshine in February:
2h and 18min - Average sunshine in March:
3h and 48min - Average sunshine in April:
5h and 54min - Average sunshine in May:
2h and 30min - Average sunshine in June:
0h and 42min
- Average sunshine in July:
1h and 12min - Average sunshine in August:
6h and 42min - Average sunshine in September:
4h and 18min - Average sunshine in October:
3h and 6min - Average sunshine in November:
1h and 24min - Average sunshine in December:
0h and 24min
The month with the most sunshine is August (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days
Umiat, AK
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
18.1 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
9.9 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
12.7 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is August (9.9 days).
Average UV index
Umiat, AK
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 1).
Average cloud cover
Umiat, AK
The month with the most cloud cover is May (Cloud cover 75).
The month with the least cloud cover is June (Cloud cover 49).
Average visibility
Umiat, AK
The months with the highest visibility are June, July and August (6mi).
The month with the lowest visibility is December (3mi).





