Climate and monthly weather forecastMonroe, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Monroe, Washington, is another cold winter month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 42.6°F (5.9°C). January commences with an average high-temperature of a still wintry 42.6°F (5.9°C), showing little deviation from December's 41.2°F (5.1°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Monroe, Washington, with an average temperature ranging between max 44.1°F (6.7°C) and min 32.2°F (0.1°C). Transitioning from January to February, Monroe observes an average high-temperature of a frosty 44.1°F (6.7°C), differing subtly from the previous month. Weather in February »Weather in March
March, the first month of the spring in Monroe, is also a frosty month, with an average temperature varying between 48.7°F (9.3°C) and 34.3°F (1.3°C). Monroe starts March with an average high-temperature of a still frosty 48.7°F (9.3°C), a minor shift from February's 44.1°F (6.7°C). Weather in March »Weather in April
April in Monroe, Washington, is a cool spring month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 37°F (2.8°C). A slight uplift in the average high-temperature marks April, adjusting from March's frosty 48.7°F (9.3°C) to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Monroe, Washington, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 63.3°F (17.4°C). As Monroe welcomes May, the average high-temperature sees a modest rise, transitioning from a cool 54.3°F (12.4°C) in April to a refreshing 63.3°F (17.4°C). Weather in May »Weather in June
The first month of the summer, June, is still a refreshing month in Monroe, Washington, with an average temperature ranging between max 67.8°F (19.9°C) and min 44.6°F (7°C). June brings a marginal elevation to a still enjoyable 67.8°F (19.9°C) from May's 63.3°F (17.4°C) in Monroe's average high-temperatures. Weather in June »Weather in July
July is a moderately hot summer month in Monroe, Washington, with an average temperature ranging between max 74.8°F (23.8°C) and min 48.6°F (9.2°C). The start of July brings a subtle shift in the average high-temperature, edging up from June's enjoyable 67.8°F (19.9°C) to a moderately hot 74.8°F (23.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Monroe, Washington, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 49.8°F (9.9°C). Monroe's warmest temperatures are experienced in August, with average high temperatures of 75.6°F (24.2°C) and lows of 49.8°F (9.9°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Monroe, Washington, with an average temperature varying between 47.3°F (8.5°C) and 68.7°F (20.4°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 75.6°F (24.2°C) to an agreeable 68.7°F (20.4°C). Weather in September »Weather in October
October, the same as September, in Monroe, Washington, is another refreshing autumn month, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 42.3°F (5.7°C). In Monroe, the beginning of October is marked by a lowered average high-temperature, shifting from September's pleasant 68.7°F (20.4°C) to a refreshing 57.2°F (14°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Monroe, Washington, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 47.1°F (8.4°C). Monroe's November weather features a mild decline in high-temperatures, reducing from a moderate 57.2°F (14°C) in October to a chilly 47.1°F (8.4°C). Weather in November »Weather in December
December, the first month of the winter in Monroe, is still a cold month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 41.2°F (5.1°C). The lowest temperatures are recorded in December, with averages reaching a high of 41.2°F (5.1°C) and a low of 31.8°F (-0.1°C). Weather in December »Updated: Jul 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.
Throughout the year, there are 115.8 rainfall days, and 11.81" (300mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
In Monroe, during the entire year, snow falls for 7 days and aggregates up to 2.64" (67mm) of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 2.8 days and accumulates 1.02" (26mm) of snow.
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.
May through October are months without snowfall.
The month with the longest days is June, with an average of 16h and 0min of daylight.
With an average relative humidity of 71%, July is the least humid month.
The month with the highest UV index is July, with an average maximum UV index of 5.
August, characterized by an average high temperature of 75.6°F (24.2°C) and a low temperature of 49.8°F (9.9°C), is generally the warmest month.
The month with the least rainfall is August, when the rain falls for 4 days and typically collects 0.2" (5mm) of precipitation.
With an average of 10.6h of sunshine, August has the most sunshine of the year in Monroe.
The lowest temperatures are recorded in December, with averages reaching a high of 41.2°F (5.1°C) and a low of 31.8°F (-0.1°C).
The month with the most rainfall is December, when the rain falls for 12.4 days and typically aggregates up to 1.85" (47mm) of precipitation.
With an average of 8h and 30min of daylight, December has the shortest days of the year.
With an average of 3.8h of sunshine, December has the least sunshine of the year.
Average temperature
Monroe, WA
The warmest month (with the highest average high temperature) is August (75.6°F).
The month with the lowest average high temperature is December (41.2°F).
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure
Monroe, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Monroe, WA
- Average wind speed in January:
4.9mph - Average wind speed in February:
4.4mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4.1mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.5mph
- Average wind speed in July:
3.5mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.5mph - Average wind speed in October:
4mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Monroe, WA
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Monroe, WA
- Average rainfall in January:
1.61" - Average rainfall in February:
1.34" - Average rainfall in March:
1.1" - Average rainfall in April:
1.02" - Average rainfall in May:
0.75" - Average rainfall in June:
0.59"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.2" - Average rainfall in September:
0.71" - Average rainfall in October:
1.26" - Average rainfall in November:
1.14" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days
Monroe, WA
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
12 days - Average rainfall days in May:
9.1 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
5.5 days - Average rainfall days in August:
4 days - Average rainfall days in September:
7.4 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (4 days).
Average snowfall
Monroe, WA
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Monroe, WA
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1 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:
0.4 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Monroe, 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:
4h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days
Monroe, WA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
15 days - Average sunshine days in May:
19.3 days - Average sunshine days in June:
19.5 days
- Average sunshine days in July:
24.3 days - Average sunshine days in August:
25.5 days - Average sunshine days in September:
21.1 days - Average sunshine days in October:
19 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (15 days).
Average UV index
Monroe, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Monroe, WA
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Monroe, WA
The month with the highest visibility is July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
