Climate and monthly weather forecastRitter, OR
Climate and monthly weather forecast
Weather in January
January, like December, in Ritter, Oregon, is another cold winter month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 22.1°F (-5.5°C). January's arrival registers an average high-temperature of a still cold 35.2°F (1.8°C), closely aligning with the temperature of the previous month. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Ritter, Oregon, with an average temperature fluctuating between 36.3°F (2.4°C) and 22.5°F (-5.3°C). The ushering in of February brings an average high-temperature of a still icy 36.3°F (2.4°C), closely mirroring the 35.2°F (1.8°C) of January. Weather in February »Weather in March
March, the first month of the spring in Ritter, is also a wintry month, with an average temperature fluctuating between 42.6°F (5.9°C) and 26.2°F (-3.2°C). The beginning of March marks a minor shift in the average high-temperature, moving from February's 36.3°F (2.4°C) to a still icy 42.6°F (5.9°C). Weather in March »Weather in April
April in Ritter, Oregon, is a fresh spring month, with an average temperature varying between 29.3°F (-1.5°C) and 50.4°F (10.2°C). The average high-temperature mildly increases in April, edging from a wintry 42.6°F (5.9°C) in March to a cool 50.4°F (10.2°C). Weather in April »Weather in May
May, the last month of the spring in Ritter, is an enjoyable month, with an average temperature varying between 36.1°F (2.3°C) and 61.3°F (16.3°C). Ritter's May weather brings a rise in high-temperatures, moving from a fresh 50.4°F (10.2°C) in April to a refreshing 61.3°F (16.3°C). Weather in May »Weather in June
June, the first month of the summer in Ritter, is an agreeable month, with an average temperature ranging between max 69.4°F (20.8°C) and min 41.2°F (5.1°C). Ritter in June experiences a slight uptick in the average high-temperature, adjusting from May's comfortable 61.3°F (16.3°C) to an agreeable 69.4°F (20.8°C). Weather in June »Weather in July
July in Ritter, Oregon, is a moderately hot summer month, with an average temperature varying between 48.4°F (9.1°C) and 81.7°F (27.6°C). July brings the highest temperatures, with an average high of 81.7°F (27.6°C) and an average low of 48.4°F (9.1°C). July's heat index is evaluated at 82.4°F (28°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Ritter, Oregon, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 81°F (27.2°C). The average high-temperature during August is a still moderately hot 81°F (27.2°C), almost matching the conditions of the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Ritter, Oregon, with an average temperature ranging between max 71.2°F (21.8°C) and min 44.2°F (6.8°C). Ritter in September experiences a subtle temperature decline, with average high-temperatures reducing from a warm 81°F (27.2°C) in August to a pleasant 71.2°F (21.8°C). Weather in September »Weather in October
October, the same as September, in Ritter, Oregon, is another refreshing autumn month, with an average temperature ranging between min 35.6°F (2°C) and max 56.3°F (13.5°C). As October sets, the average high-temperature displays a significant decrease, moving down from a pleasant 71.2°F (21.8°C) in September to a mild 56.3°F (13.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Ritter, Oregon, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 43°F (6.1°C). The commencement of November indicates a shift in the average high-temperature, receding from October's moderate 56.3°F (13.5°C) to a frosty 43°F (6.1°C). Weather in November »Weather in December
December, the first month of the winter in Ritter, is also a wintry month, with an average temperature varying between 33.4°F (0.8°C) and 19.6°F (-6.9°C). December is the coldest month of the year, registering average temperatures as high as 33.4°F (0.8°C) and as low as 19.6°F (-6.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Ritter, OR
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure
Ritter, OR
- Average pressure in January:
30.22"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.94"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:
30.05"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.19"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Ritter, OR
- Average wind speed in January:
6mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6.1mph - Average wind speed in April:
6.2mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.6mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity
Ritter, OR
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Ritter, OR
- Average rainfall in January:
2.17" - Average rainfall in February:
2.28" - Average rainfall in March:
2.17" - Average rainfall in April:
1.85" - Average rainfall in May:
1.65" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.28" - Average rainfall in September:
0.55" - Average rainfall in October:
1.3" - Average rainfall in November:
1.42" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days
Ritter, OR
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
17.3 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.3 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall
Ritter, OR
- Average snowfall in January:
8.11" - Average snowfall in February:
10.31" - Average snowfall in March:
5.83" - Average snowfall in April:
1.69" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Ritter, OR
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
9.6 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
1.3 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:
0.2 days - Average snowfall days in October:
1.3 days - Average snowfall days in November:
6.8 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Ritter, OR
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 24min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 42min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Ritter, OR
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
9 days - Average sunshine days in March:
9.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
18.9 days
- Average sunshine days in July:
24.9 days - Average sunshine days in August:
24.8 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
14.5 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index
Ritter, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Ritter, OR
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility
Ritter, OR
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).





