Climate and monthly weather forecastToppenish, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Toppenish, Washington, with an average temperature fluctuating between 37.2°F (2.9°C) and 27°F (-2.8°C). The commencement of January brings an average high-temperature of a still icy 37.2°F (2.9°C), marking an inconsequential divergence from December. Weather in January »Weather in February
February, the last month of the winter in Toppenish, is another cold month, with an average temperature ranging between max 42.3°F (5.7°C) and min 29.8°F (-1.2°C). The onset of February brings with it an average high-temperature of a still wintry 42.3°F (5.7°C), showing a negligible variation from the month before. Weather in February »Weather in March
March, the first month of the spring in Toppenish, is a cool month, with an average temperature ranging between max 50.4°F (10.2°C) and min 34.9°F (1.6°C). The arrival of March signals a slight increase in the average high-temperature, moving from a wintry 42.3°F (5.7°C) in February to a fresh 50.4°F (10.2°C). Weather in March »Weather in April
April is a moderate spring month in Toppenish, Washington, with an average temperature varying between 59.5°F (15.3°C) and 40.6°F (4.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's fresh 50.4°F (10.2°C) to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Toppenish, Washington, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 69.4°F (20.8°C). An escalation in the average high-temperature is seen with the onset of May, moving from a moderate 59.5°F (15.3°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Toppenish, Washington, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 53.2°F (11.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a pleasant 69.4°F (20.8°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July is a tropical summer month in Toppenish, Washington, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 86.5°F (30.3°C). July is the warmest month, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 60.3°F (15.7°C). Weather in July »Weather in August
August, the last month of the summer in Toppenish, is another tropical month, with an average temperature ranging between min 60.8°F (16°C) and max 86.2°F (30.1°C). Entering August, the average high-temperature is recorded at a still hot 86.2°F (30.1°C), exhibiting a minimal shift from July's 86.5°F (30.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Toppenish, Washington, with an average temperature fluctuating between 54.3°F (12.4°C) and 75.6°F (24.2°C). Stepping into September, Toppenish observes a temperature decline, with the average high falling from August's tropical 86.2°F (30.1°C) to a moderately hot 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, in Toppenish, Washington, is another refreshing autumn month, with an average temperature ranging between min 43.7°F (6.5°C) and max 60.1°F (15.6°C). With the beginning of October, Toppenish's average high-temperature experiences a significant decrease, moving from a moderately hot 75.6°F (24.2°C) in September to a mild 60.1°F (15.6°C). Weather in October »Weather in November
November, the last month of the autumn in Toppenish, is also a frosty month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 46.8°F (8.2°C). A decrease in the average high-temperature is observed during November, shifting from a mild 60.1°F (15.6°C) in October to a frosty 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Toppenish, Washington, with an average temperature fluctuating between 25.7°F (-3.5°C) and 36.7°F (2.6°C). Toppenish's coldest month, December, registers temperatures that range from a high of 36.7°F (2.6°C) to a low of 25.7°F (-3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Toppenish, WA
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (36.7°F).
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure
Toppenish, WA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.95"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:
30.04"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Toppenish, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.5mph - Average wind speed in March:
6.6mph - Average wind speed in April:
7.5mph - Average wind speed in May:
7mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.3mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.5mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity
Toppenish, WA
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (38%).
Average rainfall
Toppenish, WA
- Average rainfall in January:
1.02" - Average rainfall in February:
0.75" - Average rainfall in March:
0.71" - Average rainfall in April:
0.39" - Average rainfall in May:
0.94" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.28" - Average rainfall in September:
0.31" - Average rainfall in October:
0.63" - Average rainfall in November:
0.47" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Toppenish, WA
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
8.9 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.5 days - Average rainfall days in August:
4.2 days - Average rainfall days in September:
4.9 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall
Toppenish, WA
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days
Toppenish, WA
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
1.4 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is December (5 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight / Average sunshine
Toppenish, WA
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
6h and 0min - Average sunshine in March:
8h and 12min - Average sunshine in April:
10h and 36min - Average sunshine in May:
11h and 18min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
11h and 6min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Toppenish, WA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
16 days - Average sunshine days in May:
19.7 days - Average sunshine days in June:
21.7 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
24.2 days - Average sunshine days in September:
22.4 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
16.1 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (14.6 days).
Average UV index
Toppenish, WA
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
Toppenish, WA
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Toppenish, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





