Climate and monthly weather forecastMonitor, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Monitor, Washington, is another cold winter month, with an average temperature varying between 20.7°F (-6.3°C) and 33.1°F (0.6°C). Monitor starts January with an average high-temperature of a still icy 33.1°F (0.6°C), a minor shift from December's 32.5°F (0.3°C). Weather in January »Weather in February
February, the last month of the winter in Monitor, is also an icy month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 22.3°F (-5.4°C). In February, Monitor experiences a minor shift in meteorological conditions with average high-temperatures marked at a still icy 36.1°F (2.3°C), closely mirroring the climate in January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Monitor, Washington, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 27.3°F (-2.6°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from a wintry 36.1°F (2.3°C) in February to a frosty 43.5°F (6.4°C). Weather in March »Weather in April
April is a fresh spring month in Monitor, Washington, with an average temperature varying between 53.6°F (12°C) and 32.9°F (0.5°C). April brings a temperature change, with average high-temperatures moving from March's chilly 43.5°F (6.4°C) to a fresh 53.6°F (12°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Monitor, Washington, with an average temperature varying between 40.1°F (4.5°C) and 64.9°F (18.3°C). An escalation in the average high-temperature is seen with the onset of May, moving from a cool 53.6°F (12°C) in April to a comfortable 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Monitor, is a pleasant month, with an average temperature fluctuating between 45°F (7.2°C) and 71.6°F (22°C). In Monitor, the average high-temperature in June slightly rises, from a comfortable 64.9°F (18.3°C) in May, to an agreeable 71.6°F (22°C). Weather in June »Weather in July
July is a moderately hot summer month in Monitor, Washington, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 51.3°F (10.7°C). July and August are characterised by peak temperatures, with an average high of 82.2°F (27.9°C). For July, the heat index is estimated at 82.4°F (28°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Monitor, Washington, with an average temperature varying between 82.2°F (27.9°C) and 52.2°F (11.2°C). Monitor's temperatures tend to hit their maximum during July and August, with an average high-temperature of 82.2°F (27.9°C). The average heat index in August is estimated at 82.4°F (28°C). Weather in August »Weather in September
September, the first month of the autumn in Monitor, is also an agreeable month, with an average temperature varying between 46.4°F (8°C) and 70.7°F (21.5°C). September implies a gentle temperature shift, with average high-temperatures reducing from August's warm 82.2°F (27.9°C) to a pleasant 70.7°F (21.5°C). Weather in September »Weather in October
October, the same as September, in Monitor, Washington, is another refreshing autumn month, with an average temperature fluctuating between 55.4°F (13°C) and 36.7°F (2.6°C). As Monitor steps into October, the average high-temperature decreases significantly from the a pleasant 70.7°F (21.5°C) of September to a moderate 55.4°F (13°C). Weather in October »Weather in November
November, the last month of the autumn in Monitor, is also an icy month, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 28°F (-2.2°C). Transition into November marks a drop in the average high-temperature, moving from a moderate 55.4°F (13°C) in October to an icy 41.4°F (5.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Monitor, Washington, with an average temperature varying between 20.3°F (-6.5°C) and 32.5°F (0.3°C). The lowest temperatures are recorded in December, with averages reaching a high of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C). Weather in December »Updated: Feb 14, 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
With an average relative humidity of 90%, January is the most humid month in Monitor, Washington.
The month with the most rainfall in Monitor is January, when the rain falls for 11.8 days and typically aggregates up to 2.05" (52mm) of precipitation.
In Monitor, during the entire year, the rain falls for 113.5 days and collects up to 12.32" (313mm) of precipitation.
Months with snowfall are January through April, November and December.
Throughout the year, in Monitor, there are 26.2 snowfall days, and 14.13" (359mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4.4h of sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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 in Monitor.
June has the longest days of the year in Monitor, Washington, with an average of 15h and 54min of daylight.
Monitor's average highest temperatures are recorded in July and August, reaching a high of 82.2°F (27.9°C).
July and August, with an average relative humidity of 49%, are the least humid months in Monitor, Washington.
The month with the least rainfall in Monitor is July, when the rain falls for 4 days and typically collects 0.2" (5mm) of precipitation.
July and August, with an average of 12h of sunshine, are months with the most sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
December stands out as Monitor's coldest month, with temperatures ranging between an average high of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C).
The month with the most snowfall in Monitor, Washington, is December, when snow falls for 7.3 days and typically aggregates up to 4.65" (118mm) of snow.
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average temperature
Monitor, WA
The warmest months (with the highest average high temperature) are July and August (82.2°F).
The month with the lowest average high temperature is December (32.5°F).
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure
Monitor, WA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.08"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:
29.94"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 (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Monitor, WA
- Average wind speed in January:
3.7mph - Average wind speed in February:
3.9mph - Average wind speed in March:
4.5mph - Average wind speed in April:
5.3mph - Average wind speed in May:
5.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
4.2mph - Average wind speed in November:
3.9mph - Average wind speed in December:
3.4mph
The windiest months (with the highest average wind speed) are June and July (5.8mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity
Monitor, WA
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall
Monitor, WA
- Average rainfall in January:
2.05" - Average rainfall in February:
1.18" - Average rainfall in March:
1.34" - Average rainfall in April:
0.83" - Average rainfall in May:
1.02" - Average rainfall in June:
0.55"
The wettest month (with the highest rainfall) is January (2.05").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Monitor, WA
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
15 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
4 days - Average rainfall days in August:
3.3 days - Average rainfall days in September:
6.3 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
12.7 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (3.3 days).
Average snowfall
Monitor, WA
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Monitor, WA
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
3.4 days - Average snowfall days in April:
0.6 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Monitor, WA
- Average daylight in January:
9h and 0min - 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 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - 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: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 48min - Average sunshine in March:
7h and 12min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Monitor, WA
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
21.3 days
- Average sunshine days in July:
25.6 days - Average sunshine days in August:
26.1 days - Average sunshine days in September:
22 days - Average sunshine days in October:
18 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is March (12.4 days).
Average UV index
Monitor, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Monitor, WA
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility
Monitor, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
