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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 is a chilly winter month in Cathan, Washington, with an average temperature varying between 43.3°F (6.3°C) and 34.7°F (1.5°C). The advent of January brings an average high-temperature of a frosty 43.3°F (6.3°C), exhibiting minor difference from the previous month. Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Cathan, Washington, with an average temperature varying between 44.2°F (6.8°C) and 33.8°F (1°C). February's arrival brings an average high-temperature of a still chilly 44.2°F (6.8°C), slightly deviating from January's 43.3°F (6.3°C). Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Cathan, Washington, with an average temperature ranging between min 36.3°F (2.4°C) and max 48.4°F (9.1°C). As Cathan transitions from February to March, the average high-temperatures adjust to a still chilly 48.4°F (9.1°C), nearly the same as the previous 44.2°F (6.8°C). Weather in March »
Weather in April
April in Cathan, Washington, is a cool spring month, with an average temperature varying between 53.6°F (12°C) and 39.4°F (4.1°C). Cathan marks the arrival of April with an average high-temperature of a cool 53.6°F (12°C), hardly different from March's 48.4°F (9.1°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Cathan, Washington, with an average temperature fluctuating between 61.3°F (16.3°C) and 43.7°F (6.5°C). May's arrival signals a subtle increase in average high-temperatures, moving from April's fresh 53.6°F (12°C) to a comfortable 61.3°F (16.3°C). Weather in May »
Weather in June
June, the first month of the summer in Cathan, is still a refreshing month, with an average temperature varying between 66°F (18.9°C) and 47.1°F (8.4°C). June's average high-temperature stands at a still enjoyable 66°F (18.9°C), showing little deviation from May's 61.3°F (16.3°C). Weather in June »
Weather in July
July in Cathan, Washington, is an agreeable summer month, with an average temperature fluctuating between 50.5°F (10.3°C) and 72°F (22.2°C). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from a refreshing 66°F (18.9°C) to a pleasant 72°F (22.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Cathan, Washington, with an average temperature ranging between min 51.6°F (10.9°C) and max 72.3°F (22.4°C). August proves to be the warmest month, recording an average peak temperature of 72.3°F (22.4°C) and a minimum temperature of 51.6°F (10.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Cathan, is also an enjoyable month, with an average temperature fluctuating between 49.1°F (9.5°C) and 66.2°F (19°C). September implies a soft temperature shift, with average high-temperatures reducing from August's pleasant 72.3°F (22.4°C) to a comfortable 66.2°F (19°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Cathan, Washington, with an average temperature fluctuating between 56.3°F (13.5°C) and 43.3°F (6.3°C). In the transition to October, Cathan observes a drop in the average high-temperature, moving from an enjoyable 66.2°F (19°C) in September to a still refreshing 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Cathan, is another chilly month, with an average temperature fluctuating between 46.9°F (8.3°C) and 38.5°F (3.6°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 56.3°F (13.5°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Cathan, Washington, with an average temperature varying between 34°F (1.1°C) and 41.7°F (5.4°C). Cathan notes the coldest temperatures in December, with a high average of 41.7°F (5.4°C) and a low of 34°F (1.1°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Cathan?
January, February, November and December, with an average relative humidity of 85%, are most humid months in Cathan, Washington.
How much does it rain in Cathan?
In Cathan, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.
When does it snow in Cathan?
January through April, November and December are months with snowfall in Cathan.
How much does it snow in Cathan?
Throughout the year, in Cathan, Washington, there are 11.6 snowfall days, and 9.61" (244mm) of snow is accumulated.
When is the lowest UV index in Cathan?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Cathan.
When does it snow the most in Cathan?
The month with the most snowfall is February, when snow falls for 4.3 days and typically aggregates up to 4.45" (113mm) of snow.
When is Daylight Saving Time (DST) in Cathan?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cathan, 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 Cathan?
May through October are months without snowfall in Cathan.
When are the longest days in Cathan?
The month with the longest days in Cathan, Washington, is June, with an average of 16h and 0min of daylight.
What is the least humid month in Cathan?
July is the least humid month in Cathan, Washington, with an average relative humidity of 73%.
What is the driest month in Cathan?
July is the month with the least rainfall in Cathan. Rain falls for 8 days and accumulates 0.51" (13mm) of precipitation.
What is the month with the highest UV index in Cathan?
July is the month with the highest UV index, with an average maximum UV index of 5.
What is the hottest time of year in Cathan?
With average temperatures fluctuating between a high of 72.3°F (22.4°C) and a low of 51.6°F (10.9°C), August stands out as the warmest month.
What month has the most sunshine in Cathan?
The month with the most sunshine is August, with an average of 10.7h of sunshine.
What is the rainiest month in Cathan?
November is the month with the most rainfall. Rain falls for 20.2 days and accumulates 4.92" (125mm) of precipitation.
What is the coldest month in Cathan?
Cathan's coldest month, December, registers temperatures that range from a high of 41.7°F (5.4°C) to a low of 34°F (1.1°C).
What is the month with the shortest days in Cathan?
With an average of 8h and 24min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Cathan?
December has the least sunshine of the year, with an average of 4.1h of sunshine.
Average temperature
Cathan, WA
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure
Cathan, WA
- Average pressure in January:
30.09"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:
30.02"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Cathan, WA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5mph - Average wind speed in March:
5.5mph - Average wind speed in April:
4.7mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.3mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Cathan, WA
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Cathan, WA
- Average rainfall in January:
4.69" - Average rainfall in February:
3.66" - Average rainfall in March:
3.78" - Average rainfall in April:
2.95" - Average rainfall in May:
2.05" - Average rainfall in June:
1.38"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.59" - Average rainfall in September:
2.05" - Average rainfall in October:
3.82" - Average rainfall in November:
4.92" - Average rainfall in December:
4.53"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days
Cathan, WA
- Average rainfall days in January:
18.1 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
20.9 days - Average rainfall days in April:
19 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
19.4 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall
Cathan, WA
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Cathan, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.2 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:
0.7 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cathan, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 3min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
Cathan, WA
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
22 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
9 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index
Cathan, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Cathan, WA
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility
Cathan, WA
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Cathan, Washington, USA
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