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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, like December, is another chilly winter month in Riddle, Oregon, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 47.8°F (8.8°C). Welcoming January, Riddle notes an average high-temperature of a still chilly 47.8°F (8.8°C), nearly consistent with December's 45.7°F (7.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Riddle, Oregon, with an average temperature fluctuating between 32.9°F (0.5°C) and 49.1°F (9.5°C). Riddle registers an average high-temperature of a still frosty 49.1°F (9.5°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Riddle, is a fresh month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 52.7°F (11.5°C). The arrival of March sees an average high-temperature of a fresh 52.7°F (11.5°C), hardly diverging from February's 49.1°F (9.5°C). Weather in March »
Weather in April
April in Riddle, Oregon, is a moderate spring month, with an average temperature fluctuating between 57.4°F (14.1°C) and 35.4°F (1.9°C). As April takes hold, the average high-temperature is a moderate 57.4°F (14.1°C), nearly mirroring that of the previous month. Weather in April »
Weather in May
May, the last month of the spring in Riddle, is a comfortable month, with an average temperature varying between 39°F (3.9°C) and 64.9°F (18.3°C). May introduces a minor temperature shift, with average high-temperatures adjusting from April's refreshing 57.4°F (14.1°C) to an enjoyable 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Riddle, is a pleasant month, with an average temperature fluctuating between 43°F (6.1°C) and 71.2°F (21.8°C). June's arrival coincides with a subtle temperature rise, moving from May's refreshing 64.9°F (18.3°C) to an agreeable 71.2°F (21.8°C). Weather in June »
Weather in July
July in Riddle, Oregon, is a warm summer month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 79.9°F (26.6°C). July's onset brings a minor rise in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in June to a warm 79.9°F (26.6°C). Weather in July »
Weather in August
August, the last month of the summer in Riddle, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 47.7°F (8.7°C). The month of August sees the highest average temperatures, reaching 81.1°F (27.3°C) at the peak and 47.7°F (8.7°C) at the low. The heat index for August is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Riddle, is also a moderately hot month, with an average temperature ranging between min 44.8°F (7.1°C) and max 74.5°F (23.6°C). The start of September involves a subtle temperature drop, shifting from 81.1°F (27.3°C) in August to a still warm 74.5°F (23.6°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Riddle, Oregon, with an average temperature ranging between max 63.5°F (17.5°C) and min 40.8°F (4.9°C). October indicates a shift in the average high-temperature, from September's warm 74.5°F (23.6°C) to an enjoyable 63.5°F (17.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Riddle, Oregon, with an average temperature varying between 52.7°F (11.5°C) and 36.5°F (2.5°C). Observing a mild shift, the average high-temperature during November reduces from October's enjoyable 63.5°F (17.5°C) to a fresh 52.7°F (11.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Riddle, Oregon, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 45.7°F (7.6°C). December, noted for its average high-temperature of 45.7°F (7.6°C) and an average low-temperature of 32.2°F (0.1°C), is considered the coldest month. Weather in December »
Updated: Aug 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
What is the most humid month in Riddle?
January, February and December, with an average relative humidity of 86%, are most humid months in Riddle.
What is the rainiest month?
The wettest months are January, February and December, with an average 1.1" (28mm) of rainfall.
How much does it rain?
In Riddle, during the entire year, the rain falls for 93.9 days and collects up to 7.64" (194mm) of precipitation.
When does it snow?
Months with snowfall in Riddle are January through March, November and December.
How many days does it snow?
In Riddle, during the entire year, snow falls for 3.5 days and aggregates up to 2.2" (56mm) of snow.
What is the month with 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.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 1.5 days and accumulates 0.87" (22mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Riddle, 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.
When it does not snow in Riddle?
In Riddle, snow does not fall in April through October.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What is the driest month?
July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 0.16" (4mm) of rain.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What time of the year is the hottest?
August is the warmest month, exhibiting average temperatures of 81.1°F (27.3°C) at the peak and 47.7°F (8.7°C) at the base.
What is the least humid month?
With an average relative humidity of 69%, August is the least humid month.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 11.3h of sunshine.
What is the coldest month in Riddle?
Riddle reaches its average lowest temperatures in December, measuring 45.7°F (7.6°C) at the peak and 32.2°F (0.1°C) at the lowest.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 4.3h of sunshine.
Average temperature
Riddle, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure
Riddle, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Riddle, OR
- Average wind speed in January:
4.1mph - Average wind speed in February:
3.8mph - Average wind speed in March:
4mph - Average wind speed in April:
3.8mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.2mph - Average wind speed in October:
3.3mph - Average wind speed in November:
3.7mph - Average wind speed in December:
3.9mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity
Riddle, OR
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Riddle, OR
- Average rainfall in January:
1.1" - Average rainfall in February:
1.1" - Average rainfall in March:
0.91" - Average rainfall in April:
0.71" - Average rainfall in May:
0.59" - Average rainfall in June:
0.35"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.16" - Average rainfall in September:
0.31" - Average rainfall in October:
0.39" - Average rainfall in November:
0.75" - Average rainfall in December:
1.1"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days
Riddle, OR
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
8 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.4 days - Average rainfall days in September:
3.6 days - Average rainfall days in October:
6.1 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall
Riddle, OR
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Riddle, OR
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 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:
0.4 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Riddle, OR
- Average daylight in January:
9h and 2min - 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:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days
Riddle, OR
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
20.6 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26.5 days - Average sunshine days in September:
25.9 days - Average sunshine days in October:
23.2 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index
Riddle, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Riddle, OR
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Riddle, OR
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Riddle, Oregon, USA
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