Climate and monthly weather forecastDexter, OR
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Dexter, Oregon, with an average temperature ranging between max 48.9°F (9.4°C) and min 35.2°F (1.8°C). Dexter's January reports an average high-temperature of a still frosty 48.9°F (9.4°C), exhibiting a minor difference from December. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Dexter, Oregon, with an average temperature varying between 34.5°F (1.4°C) and 49.3°F (9.6°C). Dexter records an average high-temperature of a still chilly 49.3°F (9.6°C) in February, maintaining a close correlation with January's 48.9°F (9.4°C). Weather in February »Weather in March
March, the first month of the spring in Dexter, is a fresh month, with an average temperature fluctuating between 52.7°F (11.5°C) and 36°F (2.2°C). The beginning of March records an average high-temperature of a cool 52.7°F (11.5°C), marking a negligible difference from February's 49.3°F (9.6°C). Weather in March »Weather in April
April is a mild spring month in Dexter, Oregon, with an average temperature fluctuating between 57.4°F (14.1°C) and 37°F (2.8°C). In Dexter, April's average high-temperature stands at a refreshing 57.4°F (14.1°C), closely related to the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Dexter, Oregon, with an average temperature varying between 40.6°F (4.8°C) and 65.5°F (18.6°C). The shift from April to May sees a slight increase in the average high-temperature, transitioning from a mild 57.4°F (14.1°C) to a still refreshing 65.5°F (18.6°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Dexter, Oregon, with an average temperature fluctuating between 44.2°F (6.8°C) and 70.7°F (21.5°C). The shift into June reveals an average high-temperature of a pleasant 70.7°F (21.5°C), closely mirroring May's climate. Weather in June »Weather in July
July in Dexter, Oregon, is a moderately hot summer month, with an average temperature varying between 48.2°F (9°C) and 79.3°F (26.3°C). The arrival of July witnesses a small shift in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in June to a warm 79.3°F (26.3°C). Weather in July »Weather in August
August, the last month of the summer in Dexter, is also a moderately hot month, with an average temperature ranging between min 49.6°F (9.8°C) and max 80.4°F (26.9°C). The temperatures reach their highest averages in August, with highs of 80.4°F (26.9°C) and lows of 49.6°F (9.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Dexter, Oregon, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 46.4°F (8°C). September signals a slight drop in average high-temperature, sliding from August's warm 80.4°F (26.9°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, like September, in Dexter, Oregon, is another comfortable autumn month, with an average temperature fluctuating between 42.6°F (5.9°C) and 62.8°F (17.1°C). Onset of October witnesses a reduction in the average high-temperature, falling from a warm 73.9°F (23.3°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Dexter, Oregon, with an average temperature varying between 38.3°F (3.5°C) and 52.5°F (11.4°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 62.8°F (17.1°C) in October to a cool 52.5°F (11.4°C). Weather in November »Weather in December
December, the first month of the winter in Dexter, is still a chilly month, with an average temperature ranging between max 46°F (7.8°C) and min 33.8°F (1°C). In Dexter, the lowest average temperatures are observed in December, with a high of 46°F (7.8°C) and a low of 33.8°F (1°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dexter, OR
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (46°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 (33.8°F).
Average pressure
Dexter, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30.01"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 months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Dexter, OR
- Average wind speed in January:
4.4mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.4mph - Average wind speed in April:
4.2mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.5mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.3mph - Average wind speed in December:
4.3mph
The windiest months (with the highest average wind speed) are January and March (4.4mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity
Dexter, OR
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Dexter, OR
- Average rainfall in January:
3.86" - Average rainfall in February:
3.74" - Average rainfall in March:
3.78" - Average rainfall in April:
3.27" - Average rainfall in May:
1.85" - Average rainfall in June:
1.26"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Dexter, OR
- Average rainfall days in January:
16.8 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.3 days - Average rainfall days in April:
17 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
9.5 days
- Average rainfall days in July:
4.2 days - Average rainfall days in August:
3.5 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
18.5 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (3.5 days).
Average snowfall
Dexter, OR
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Dexter, OR
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.3 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:
0.3 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dexter, OR
- Average daylight in January:
9h and 24min - 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 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 24min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days
Dexter, OR
- Average sunshine days in January:
12.6 days - Average sunshine days in February:
9.1 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
25.1 days - Average sunshine days in August:
25.6 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is February (9.1 days).
Average UV index
Dexter, 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
Dexter, OR
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Dexter, OR
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).





