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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, the same as December, is an icy winter month in Pomona Heights, Washington, with an average temperature ranging between min 25.5°F (-3.6°C) and max 36.1°F (2.3°C). As Pomona Heights transitions into January, the average high-temperature stands at a still wintry 36.1°F (2.3°C), offering little variation from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Pomona Heights, Washington, with an average temperature fluctuating between 28°F (-2.2°C) and 40.6°F (4.8°C). Pomona Heights ushers in February with an average high-temperature of a still wintry 40.6°F (4.8°C), showing a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Pomona Heights, Washington, with an average temperature fluctuating between 33.4°F (0.8°C) and 48.6°F (9.2°C). As Pomona Heights welcomes March, the average high-temperature displays a subtle shift, adjusting from an icy 40.6°F (4.8°C) in February to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April in Pomona Heights, Washington, is a moderate spring month, with an average temperature varying between 57.4°F (14.1°C) and 38.7°F (3.7°C). With the onset of April, the average high-temperature subtly transitions from a chilly 48.6°F (9.2°C) in March to a mild 57.4°F (14.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Pomona Heights, Washington, with an average temperature varying between 67.8°F (19.9°C) and 46.2°F (7.9°C). Pomona Heights in May shows a temperature shift, moving from an average high of 57.4°F (14.1°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Pomona Heights, Washington, with an average temperature varying between 74.8°F (23.8°C) and 51.3°F (10.7°C). The start of June signals a slight increase in the average high-temperature, moving from a comfortable 67.8°F (19.9°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Pomona Heights, Washington, is a moderately hot summer month, with an average temperature varying between 84.7°F (29.3°C) and 57.7°F (14.3°C). The shift from June to July brings an increase in the average high-temperature, moving from a warm 74.8°F (23.8°C) to a still moderately hot 84.7°F (29.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Pomona Heights, Washington, with an average temperature ranging between max 85.1°F (29.5°C) and min 58.8°F (14.9°C). Pomona Heights witnesses the warmest weather in August, with temperatures averaging a high of 85.1°F (29.5°C) and a low of 58.8°F (14.9°C). The average heat index in August is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Pomona Heights, Washington, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 51.8°F (11°C). A moderate decline in the average high-temperature is seen during September, decreasing from a warm 85.1°F (29.5°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »
Weather in October
October, the same as September, in Pomona Heights, Washington, is another refreshing autumn month, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 41.7°F (5.4°C). October signals a clear temperature drop, with average high-temperatures decreasing from September's moderately hot 74.1°F (23.4°C) to a refreshing 59.2°F (15.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Pomona Heights, Washington, with an average temperature fluctuating between 45.5°F (7.5°C) and 32°F (0°C). With the onset of November, Pomona Heights experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 59.2°F (15.1°C) in October to a frosty 45.5°F (7.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Pomona Heights, Washington, with an average temperature ranging between min 23.9°F (-4.5°C) and max 36°F (2.2°C). December, with its average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C), holds the record as the coldest month. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Pomona Heights?
January is the most humid month in Pomona Heights, with an average relative humidity of 83%.
How much does it rain in Pomona Heights?
Throughout the year, in Pomona Heights, Washington, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.
When does it snow in Pomona Heights?
Months with snowfall are January through April, September, November and December.
How much does it snow in Pomona Heights?
In Pomona Heights, Washington, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.
What is the month with the least sunshine in Pomona Heights?
January has the least sunshine of the year, with an average of 5.5h of sunshine.
What is the month with the lowest UV index in Pomona Heights?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Pomona Heights?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Pomona Heights?
May through August and October are months without snowfall.
When are the longest days in Pomona Heights?
The month with the longest days in Pomona Heights is June, with an average of 15h and 48min of daylight.
What are the least humid months in Pomona Heights?
The months with the lowest humidity in Pomona Heights are July and August, with an average relative humidity of 41%.
What is the driest month in Pomona Heights?
July is the month with the least rainfall in Pomona Heights. Rain falls for 2.3 days and accumulates 0.08" (2mm) of precipitation.
What is the month with the most sunshine in Pomona Heights?
July and August, with an average of 12.1h of sunshine, are months with the most sunshine.
When is the highest UV index in Pomona Heights?
July is the month with the highest UV index in Pomona Heights, Washington, with an average maximum UV index of 6.
What month is the hottest in Pomona Heights?
Pomona Heights's August weather reaches an average high of 85.1°F (29.5°C) and an average low of 58.8°F (14.9°C), making it the warmest month.
What time of the year is the coldest in Pomona Heights?
December stands out as Pomona Heights's coldest month, with temperatures ranging between an average high of 36°F (2.2°C) and a low of 23.9°F (-4.5°C).
What is the rainiest month in Pomona Heights?
December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 0.87" (22mm) of precipitation.
When does it snow the most in Pomona Heights?
The month with the most snowfall in Pomona Heights, Washington, is December, when snow falls for 5.7 days and typically aggregates up to 3.07" (78mm) of snow.
What is the month with the shortest days in Pomona Heights?
December has the shortest days of the year in Pomona Heights, Washington, with an average of 8h and 36min of daylight.
Average temperature
Pomona Heights, WA
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Pomona Heights, 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:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"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
Pomona Heights, WA
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.1mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.9mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity
Pomona Heights, WA
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall
Pomona Heights, WA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
0.35" - Average rainfall in May:
0.67" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.2" - Average rainfall in September:
0.28" - Average rainfall in October:
0.55" - Average rainfall in November:
0.51" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Pomona Heights, WA
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
9 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
5 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall
Pomona Heights, WA
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Pomona Heights, WA
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
2.8 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Pomona Heights, WA
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 3min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 1min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
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
Pomona Heights, WA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
23.2 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index
Pomona Heights, WA
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
Pomona Heights, WA
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility
Pomona Heights, 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).
Pomona Heights, Washington, USA
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