Climate and monthly weather forecastOmak, WA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Omak, Washington, with an average temperature ranging between max 30.9°F (-0.6°C) and min 18.7°F (-7.4°C). Stepping into January, Omak records an average high-temperature of a still subzero cold 30.9°F (-0.6°C), almost consistent with December. Weather in January »Weather in February
February, the last month of the winter in Omak, is an icy month, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 33.8°F (1°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a cold 33.8°F (1°C) from January's 30.9°F (-0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Omak, Washington, with an average temperature ranging between max 43°F (6.1°C) and min 27.3°F (-2.6°C). A rise in the average high-temperature is observed during March, moving from an icy 33.8°F (1°C) in February to a chilly 43°F (6.1°C). Weather in March »Weather in April
April in Omak, Washington, is a cool spring month, with an average temperature varying between 54.3°F (12.4°C) and 33.8°F (1°C). April marks a rise in the average high-temperature, moving from March's frosty 43°F (6.1°C) to a cool 54.3°F (12.4°C). Weather in April »Weather in May
May, the last month of the spring in Omak, is a refreshing month, with an average temperature ranging between min 42.4°F (5.8°C) and max 66°F (18.9°C). Omak sees an increase in average high-temperatures during May, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 66°F (18.9°C). Weather in May »Weather in June
June, the first month of the summer in Omak, is a pleasant month, with an average temperature fluctuating between 47.5°F (8.6°C) and 72.5°F (22.5°C). The coming of June brings a minor shift in Omak's weather, with average high-temperatures adjusting from May's comfortable 66°F (18.9°C) to an agreeable 72.5°F (22.5°C). Weather in June »Weather in July
July is a moderately hot summer month in Omak, Washington, with an average temperature ranging between min 54.3°F (12.4°C) and max 82.6°F (28.1°C). July stands out as Omak's warmest month, with temperatures ranging between an average high of 82.6°F (28.1°C) and a low of 54.3°F (12.4°C). The average heat index in July is estimated at 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Omak, is also a moderately hot month, with an average temperature varying between 82.4°F (28°C) and 55°F (12.8°C). August is marked by an average high-temperature of a still moderately hot 82.4°F (28°C), almost identical to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Omak, is also an agreeable month, with an average temperature varying between 70.9°F (21.6°C) and 47.3°F (8.5°C). As September begins, there is a decrease in the average high-temperature, falling from a moderately hot 82.4°F (28°C) in August to a pleasant 70.9°F (21.6°C). Weather in September »Weather in October
October, like September, in Omak, Washington, is another fresh autumn month, with an average temperature fluctuating between 54.9°F (12.7°C) and 37.2°F (2.9°C). October brings with it a considerable temperature decrease, with average high-temperatures dropping from September's pleasant 70.9°F (21.6°C) to a fresh 54.9°F (12.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Omak, Washington, with an average temperature varying between 40.1°F (4.5°C) and 27.5°F (-2.5°C). The drop of average high-temperatures is noticeable in November, with a decrease from a cool 54.9°F (12.7°C) in October to a cold 40.1°F (4.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Omak, Washington, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 18.1°F (-7.7°C). The coldest month is December, with an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 18.1°F (-7.7°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
With an average relative humidity of 91%, January is the most humid month.
In Omak, during the entire year, the rain falls for 90.2 days and collects up to 7.56" (192mm) of precipitation.
Months with snowfall are January through April, November and December.
The month with the most snowfall is January, when snow falls for 6.2 days and typically aggregates up to 3.39" (86mm) of snow.
Throughout the year, there are 25.5 snowfall days, and 10.12" (257mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.5h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
In Omak, Washington, snow does not fall in May through October.
June has the longest days of the year, with an average of 16h and 0min of daylight.
Omak's July weather, with an average high temperature of 82.6°F (28.1°C) and an average low temperature of 54.3°F (12.4°C), tends to be the warmest of the year.
July and August, with an average relative humidity of 42%, are the least humid months.
The months with the least rainfall are July and August Rain falls for 3.8 days and accumulates 0.2" (5mm) of rain.
The months with the most sunshine in Omak, Washington, are July and August, with an average of 12h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
The month with the lowest UV index is November, with an average maximum UV index of 1.
December is the month when Omak sees the average lowest temperatures, with a high of 30.4°F (-0.9°C) and a low of 18.1°F (-7.7°C).
The month with the most rainfall is December, when the rain falls for 6.9 days and typically aggregates up to 0.94" (24mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 24min of daylight.
Average temperature
Omak, WA
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.4°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).
Average pressure
Omak, WA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed
Omak, WA
- Average wind speed in January:
4mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.6mph - Average wind speed in April:
5.1mph - Average wind speed in May:
4.8mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.6mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity
Omak, WA
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (42%).
Average rainfall
Omak, WA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.43" - Average rainfall in March:
0.91" - Average rainfall in April:
0.51" - Average rainfall in May:
0.91" - Average rainfall in June:
0.67"
The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days
Omak, WA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.8 days - Average rainfall days in September:
5.3 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is August (2.8 days).
Average snowfall
Omak, WA
The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Omak, WA
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is December (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Omak, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 54min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 36min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Omak, WA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
21.2 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
23.4 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
15.4 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (15.4 days).
Average UV index
Omak, WA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Omak, WA
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility
Omak, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
