Climate and monthly weather forecastMosier, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Mosier, Oregon, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 37°F (2.8°C). The onset of January brings an average high-temperature of a still icy 37°F (2.8°C), nearly matching the December temperature. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Mosier, Oregon, with an average temperature ranging between max 39°F (3.9°C) and min 28.8°F (-1.8°C). Mosier's shift into February sets the average high-temperature at a still cold 39°F (3.9°C), a figure that deviates only slightly from January's 37°F (2.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Mosier, Oregon, with an average temperature fluctuating between 44.2°F (6.8°C) and 30.6°F (-0.8°C). March observes an average high-temperature of a chilly 44.2°F (6.8°C), marking an insignificant difference from February's 39°F (3.9°C). Weather in March »Weather in April
April in Mosier, Oregon, is a cool spring month, with an average temperature ranging between min 35.2°F (1.8°C) and max 52.3°F (11.3°C). A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a chilly 44.2°F (6.8°C) in March to a fresh 52.3°F (11.3°C). Weather in April »Weather in May
May, the last month of the spring in Mosier, is an enjoyable month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 62.4°F (16.9°C). The arrival of May sees a shift in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in April to an enjoyable 62.4°F (16.9°C). Weather in May »Weather in June
June, the first month of the summer in Mosier, is an agreeable month, with an average temperature varying between 45.1°F (7.3°C) and 68.5°F (20.3°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a refreshing 62.4°F (16.9°C) to a pleasant 68.5°F (20.3°C). Weather in June »Weather in July
July in Mosier, Oregon, is a warm summer month, with an average temperature fluctuating between 50.4°F (10.2°C) and 78.3°F (25.7°C). As Mosier welcomes July, the average high-temperature sees a rise, transitioning from a pleasant 68.5°F (20.3°C) in June to a warm 78.3°F (25.7°C). Weather in July »Weather in August
August, the last month of the summer in Mosier, is another warm month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 51.4°F (10.8°C). August, known for its average high temperature of 78.4°F (25.8°C) and an average low temperature of 51.4°F (10.8°C), is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Mosier, is also an agreeable month, with an average temperature ranging between max 68.9°F (20.5°C) and min 47.1°F (8.4°C). Mosier, Oregon, in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 78.4°F (25.8°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, in Mosier, Oregon, is another refreshing autumn month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 55.4°F (13°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from an agreeable 68.9°F (20.5°C) in September to a moderate 55.4°F (13°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Mosier, Oregon, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 43.7°F (6.5°C). Mosier's weather changes with the onset of November, slightly falling from a moderate 55.4°F (13°C) in October to a frosty 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Mosier, Oregon, with an average temperature ranging between min 27°F (-2.8°C) and max 36°F (2.2°C). With its high average temperature of 36°F (2.2°C) and a low of 27°F (-2.8°C), December is regarded as the coldest month. Weather in December »Updated: Jun 4, 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 month with the most rainfall. Rain falls for 17.7 days and accumulates 5.67" (144mm) of precipitation.
In Mosier, during the entire year, the rain falls for 159.7 days and collects up to 31.42" (798mm) of precipitation.
Months with snowfall in Mosier are January through March, November and December.
In Mosier, during the entire year, snow falls for 15.1 days and aggregates up to 14.33" (364mm) of snow.
With an average of 3.7h of sunshine, January has the least sunshine of the year.
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index.
The months with the highest humidity are February and December, with an average relative humidity of 88%.
February is the month with the most snowfall. Snow falls for 4 days and accumulates 4.76" (121mm) of snow.
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 Mosier, snow does not fall in April through October.
The month with the longest days is June, with an average of 15h and 36min of daylight.
The least humid month in Mosier is July, with an average relative humidity of 59%.
July is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.28" (7mm) of precipitation.
The month with the most sunshine is July, with an average of 11.7h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
August, with an average high of 78.4°F (25.8°C) and a low of 51.4°F (10.8°C), signifies the warmest month of the year.
December brings the lowest temperatures, with an average high of 36°F (2.2°C) and an average low of 27°F (-2.8°C).
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Mosier, OR
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure
Mosier, OR
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed
Mosier, OR
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.3mph - Average wind speed in April:
6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.3mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity
Mosier, OR
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall
Mosier, OR
- Average rainfall in January:
5.67" - Average rainfall in February:
3.82" - Average rainfall in March:
3.58" - Average rainfall in April:
2.52" - Average rainfall in May:
1.69" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.39" - Average rainfall in September:
1.14" - Average rainfall in October:
2.99" - Average rainfall in November:
3.27" - Average rainfall in December:
5.08"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days
Mosier, OR
- Average rainfall days in January:
17.7 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
20 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
9.1 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
4.2 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
17.7 days - Average rainfall days in December:
17.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall
Mosier, OR
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Mosier, OR
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
4 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.1 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 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mosier, OR
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 30min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Mosier, OR
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
17.6 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
24.4 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
9.9 days - Average sunshine days in December:
9.8 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index
Mosier, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Mosier, OR
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility
Mosier, OR
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
