Climate and monthly weather forecastDeer Park, WA

Climate and monthly weather forecast
Weather in January
January is an icy winter month in Deer Park, Washington, with an average temperature varying between 32.4°F (0.2°C) and 21.2°F (-6°C). Deer Park experiences a transition to a wintry 32.4°F (0.2°C) in average high-temperatures with the arrival of January, not greatly differing from December's 31.3°F (-0.4°C). Weather in January »Weather in February
February, the last month of the winter in Deer Park, is another cold month, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 21.6°F (-5.8°C). The shift from January to February is characterized by an average high-temperature of a still wintry 35.1°F (1.7°C), not significantly different from the 32.4°F (0.2°C) of January. Weather in February »Weather in March
March, the first month of the spring in Deer Park, is a chilly month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 44.8°F (7.1°C). March brings a rise in the average high-temperature, transitioning from February's cold 35.1°F (1.7°C) to a chilly 44.8°F (7.1°C). Weather in March »Weather in April
April is a fresh spring month in Deer Park, Washington, with an average temperature fluctuating between 33.6°F (0.9°C) and 54.7°F (12.6°C). April comes with an increase, with the average high-temperature moving from a chilly 44.8°F (7.1°C) in March to a fresh 54.7°F (12.6°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Deer Park, Washington, with an average temperature ranging between max 65.8°F (18.8°C) and min 41.4°F (5.2°C). An escalation in the average high-temperature is seen with the onset of May, moving from a fresh 54.7°F (12.6°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Deer Park, Washington, with an average temperature ranging between max 71.8°F (22.1°C) and min 46°F (7.8°C). Deer Park perceives a slight temperature ascent during June, with average high-temperatures adjusting from an enjoyable 65.8°F (18.8°C) in May to an agreeable 71.8°F (22.1°C). Weather in June »Weather in July
July in Deer Park, Washington, is a warm summer month, with an average temperature ranging between min 52.5°F (11.4°C) and max 83.5°F (28.6°C). July brings an increase in the average high-temperature, progressing from an agreeable 71.8°F (22.1°C) in June to a moderately hot 83.5°F (28.6°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Deer Park, Washington, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 54.3°F (12.4°C). Deer Park's warmest month, August, registers temperatures that range from a high of 84°F (28.9°C) to a low of 54.3°F (12.4°C). The heat index for August is estimated at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Deer Park, Washington, with an average temperature fluctuating between 46.6°F (8.1°C) and 72.7°F (22.6°C). September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 84°F (28.9°C) to a pleasant 72.7°F (22.6°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Deer Park, Washington, with an average temperature fluctuating between 36.7°F (2.6°C) and 55.8°F (13.2°C). October's onset brings a clear reduction in the average high-temperature, falling from a pleasant 72.7°F (22.6°C) in September to a refreshing 55.8°F (13.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Deer Park, Washington, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 28.2°F (-2.1°C). As October transitions into November, Deer Park sees a clear drop in the average high-temperature, declining from a mild 55.8°F (13.2°C) to a cold 40.5°F (4.7°C). Weather in November »Weather in December
December, the first month of the winter in Deer Park, is also a subzero cold month, with an average temperature varying between 20.3°F (-6.5°C) and 31.3°F (-0.4°C). The coldest temperatures occur during December, when averages reach a peak of 31.3°F (-0.4°C) and a low of 20.3°F (-6.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Deer Park, WA
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure
Deer Park, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed
Deer Park, WA
- Average wind speed in January:
4.1mph - Average wind speed in February:
4.4mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.6mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity
Deer Park, WA
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Deer Park, WA
- Average rainfall in January:
2.4" - Average rainfall in February:
1.54" - Average rainfall in March:
2.09" - Average rainfall in April:
1.42" - Average rainfall in May:
1.69" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.31" - Average rainfall in September:
0.63" - Average rainfall in October:
1.65" - Average rainfall in November:
1.77" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days
Deer Park, WA
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
5.1 days - Average rainfall days in September:
7 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall
Deer Park, WA
- Average snowfall in January:
13.23" - Average snowfall in February:
8.62" - Average snowfall in March:
4.88" - Average snowfall in April:
1.02" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Deer Park, WA
- Average snowfall days in January:
16 days - Average snowfall days in February:
14.4 days - Average snowfall days in March:
8.9 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.2 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 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
16.9 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Deer Park, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 54min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 12min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Deer Park, WA
- Average sunshine days in January:
11.6 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
16.9 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
21.3 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index
Deer Park, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover
Deer Park, WA
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Deer Park, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





