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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, is a wintry winter month in Arock, Oregon, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23.4°F (-4.8°C). January experiences an average high-temperature of a still wintry 36°F (2.2°C), barely different from December's 34.3°F (1.3°C). Weather in January »
Weather in February
February, the last month of the winter in Arock, is also an icy month, with an average temperature varying between 39.9°F (4.4°C) and 27.9°F (-2.3°C). With the arrival of February, Arock's average high-temperature registers at a still icy 39.9°F (4.4°C), indicating a subtle variation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Arock, Oregon, with temperature in the range of an average low of 33.8°F (1°C) and an average high of 48.4°F (9.1°C). March's arrival brings a slight change in high-temperatures, adjusting from a cold 39.9°F (4.4°C) in February to a frosty 48.4°F (9.1°C). Weather in March »
Weather in April
April in Arock, Oregon, is a mild spring month, with an average temperature ranging between min 37.8°F (3.2°C) and max 55.6°F (13.1°C). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a frosty 48.4°F (9.1°C) to a refreshing 55.6°F (13.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Arock, Oregon, with an average temperature varying between 46°F (7.8°C) and 65.3°F (18.5°C). Arock's weather in May shows a rise in the average high-temperature, moving up from April's refreshing 55.6°F (13.1°C) to a comfortable 65.3°F (18.5°C). Weather in May »
Weather in June
June, the first month of the summer in Arock, is a moderately hot month, with an average temperature varying between 75.2°F (24°C) and 54.1°F (12.3°C). June's arrival coincides with a rise in the average high-temperature, moving from May's refreshing 65.3°F (18.5°C) to a warm 75.2°F (24°C). Weather in June »
Weather in July
July is a tropical summer month in Arock, Oregon, with an average temperature varying between 64.2°F (17.9°C) and 87.3°F (30.7°C). Arock's July weather, marked by an average high temperature of 87.3°F (30.7°C) and an average low temperature of 64.2°F (17.9°C), is the warmest in the year. Weather in July »
Weather in August
August, the last month of the summer in Arock, is another warm month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 85.6°F (29.8°C). The transition from July to August sees average high-temperatures adjusting to a moderately hot 85.6°F (29.8°C), from a not significantly different 87.3°F (30.7°C). Weather in August »
Weather in September
September, the first month of the autumn in Arock, is still a warm month, with an average temperature varying between 75.2°F (24°C) and 55.4°F (13°C). Arock's average high-temperature decreases in September, falling from a warm 85.6°F (29.8°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »
Weather in October
October, the same as September, in Arock, Oregon, is another refreshing autumn month, with an average temperature varying between 59°F (15°C) and 42.4°F (5.8°C). Arock witnesses a significant decrease in the average high-temperature with the arrival of October, falling from September's warm 75.2°F (24°C) to a mild 59°F (15°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Arock, Oregon, with an average temperature ranging between max 45.7°F (7.6°C) and min 31.6°F (-0.2°C). As October transitions into November, Arock sees a drop in the average high-temperature, transitioning from a refreshing 59°F (15°C) to a chilly 45.7°F (7.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Arock, Oregon, with an average temperature ranging between min 22.8°F (-5.1°C) and max 34.3°F (1.3°C). Arock's December weather, marked by an average high temperature of 34.3°F (1.3°C) and an average low temperature of 22.8°F (-5.1°C), is the coldest in the year. Weather in December »
Updated: Jul 13, 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
What are the most humid months in Arock?
The months with the highest humidity in Arock are January and December, with an average relative humidity of 77%.
How much does it rain?
In Arock, during the entire year, the rain falls for 101.4 days and collects up to 10.08" (256mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Arock, during the entire year, snow falls for 44.7 days and aggregates up to 21.38" (543mm) of snow.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the rainiest month?
March is the month with the most rainfall. Rain falls for 15.6 days and accumulates 1.46" (37mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Arock, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What are the warmest months?
The highest temperatures are recorded in July, with averages reaching a high of 87.3°F (30.7°C) and a low of 64.2°F (17.9°C).
What is the least humid month?
July and August, with an average relative humidity of 25%, are the least humid months.
What is the driest month?
July and August are months with the least rain when the rain falls for 2.6 days and typically aggregates up to 0.16" (4mm) of rain.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 12.1h of sunshine.
What is the month with the highest UV index?
The month with the highest UV index in Arock is July, with an average maximum UV index of 7.
What is the coldest time of year?
Temperature readings reach their annual highs in December, averaging 34.3°F (1.3°C) and a minimum average of 22.8°F (-5.1°C).
When does it snow the most?
The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 6.34" (161mm) of snow.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
The month with the least sunshine in Arock, Oregon, is December, with an average of 6h of sunshine.
Average temperature
Arock, OR
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (34.3°F).
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure
Arock, OR
- Average pressure in January:
30.24"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.21"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed
Arock, OR
- Average wind speed in January:
6.3mph - Average wind speed in February:
7.7mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest months (with the lowest average wind speed) are January and August (6.3mph).
Average humidity
Arock, OR
The months with the highest relative humidity are January and December (77%).
The months with the lowest relative humidity are July and August (25%).
Average rainfall
Arock, OR
- Average rainfall in January:
1.14" - Average rainfall in February:
1.06" - Average rainfall in March:
1.46" - Average rainfall in April:
1.1" - Average rainfall in May:
1.18" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.16" - Average rainfall in September:
0.35" - Average rainfall in October:
0.63" - Average rainfall in November:
0.79" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is March (1.46").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days
Arock, OR
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
7.1 days
- Average rainfall days in July:
2.6 days - Average rainfall days in August:
2.8 days - Average rainfall days in September:
4.7 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (2.6 days).
Average snowfall
Arock, OR
The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arock, OR
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.6 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:
0.6 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Arock, OR
- 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 2min
- Average daylight in July:
15h and 0min - 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 4min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
8h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
9h and 2min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 4min - Average sunshine in October:
8h and 3min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Arock, OR
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
16.7 days - Average sunshine days in June:
20.3 days
- Average sunshine days in July:
26.6 days - Average sunshine days in August:
25 days - Average sunshine days in September:
23.5 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is March (12.3 days).
Average UV index
Arock, OR
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Arock, OR
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Arock, OR
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).
Arock, Oregon, USA
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