Climate and monthly weather forecastAmboy, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Amboy, Washington, is an icy winter month, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 42.4°F (5.8°C). The onset of January brings an average high-temperature of a still wintry 42.4°F (5.8°C), nearly matching the December temperature. Weather in January »Weather in February
February, the last month of the winter in Amboy, is a chilly month, with an average temperature ranging between max 43.5°F (6.4°C) and min 32.2°F (0.1°C). Amboy's shift into February sets the average high-temperature at a frosty 43.5°F (6.4°C), a figure that deviates only slightly from January's 42.4°F (5.8°C). Weather in February »Weather in March
March, the first month of the spring in Amboy, is also a frosty month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.3°F (1.3°C). March's advent denotes a minor fluctuation in the average high-temperature to a still chilly 48.4°F (9.1°C) from February's 43.5°F (6.4°C). Weather in March »Weather in April
April in Amboy, Washington, is a fresh spring month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 36.7°F (2.6°C). A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 48.4°F (9.1°C) to a fresh 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Amboy, Washington, with an average temperature varying between 41.5°F (5.3°C) and 63.5°F (17.5°C). May's arrival brings a temperature shift, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 63.5°F (17.5°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Amboy, Washington, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 68.5°F (20.3°C). Amboy's average high-temperature in June is an agreeable 68.5°F (20.3°C), indicating a subtle variation from May. Weather in June »Weather in July
July is a moderately hot summer month in Amboy, Washington, with an average temperature ranging between min 48.9°F (9.4°C) and max 76.6°F (24.8°C). Amboy in July experiences a slight uptick in the average high-temperature, adjusting from June's agreeable 68.5°F (20.3°C) to a warm 76.6°F (24.8°C). Weather in July »Weather in August
August, the last month of the summer in Amboy, is also a moderately hot month, with an average temperature fluctuating between 50.5°F (10.3°C) and 77.7°F (25.4°C). August proves to be the warmest month, recording an average peak temperature of 77.7°F (25.4°C) and a minimum temperature of 50.5°F (10.3°C). Weather in August »Weather in September
September, the first month of the autumn in Amboy, is still a pleasant month, with an average temperature fluctuating between 47.7°F (8.7°C) and 70.2°F (21.2°C). In September, the average high-temperature marginally decreases from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.2°F (21.2°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Amboy, Washington, with an average temperature varying between 42.6°F (5.9°C) and 58.1°F (14.5°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's pleasant 70.2°F (21.2°C) to a moderate 58.1°F (14.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Amboy, Washington, with an average temperature fluctuating between 47.3°F (8.5°C) and 36.3°F (2.4°C). November brings a minor decrease, with the average high-temperature reducing from a mild 58.1°F (14.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Amboy, is still a cold month, with an average temperature ranging between max 40.6°F (4.8°C) and min 30.7°F (-0.7°C). December, with an average high of 40.6°F (4.8°C) and a low of 30.7°F (-0.7°C), signifies the coldest month of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Amboy, WA
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (40.6°F).
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure
Amboy, WA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"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:
30.05"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Amboy, WA
- Average wind speed in January:
6.1mph - Average wind speed in February:
5.4mph - Average wind speed in March:
5.3mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is January (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Amboy, WA
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall
Amboy, WA
- Average rainfall in January:
7.64" - Average rainfall in February:
5.39" - Average rainfall in March:
5.16" - Average rainfall in April:
4.13" - Average rainfall in May:
2.68" - Average rainfall in June:
1.89"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.59" - Average rainfall in September:
2.32" - Average rainfall in October:
5.2" - Average rainfall in November:
5.71" - Average rainfall in December:
6.97"
The wettest month (with the highest rainfall) is January (7.64").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Amboy, WA
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
17.4 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
19.6 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
6.7 days - Average rainfall days in August:
5.6 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
16.6 days - Average rainfall days in November:
19.6 days - Average rainfall days in December:
19.5 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall
Amboy, WA
The month with the highest snowfall is February (4.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Amboy, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.1 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 (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Amboy, 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 18min - 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 30min - 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:
3h and 24min - Average sunshine in February:
3h and 12min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 12min - Average sunshine in May:
7h and 42min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 36min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days
Amboy, WA
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
15 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
22.6 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
9.2 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (8.1 days).
Average UV index
Amboy, WA
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Amboy, WA
The months with the most cloud cover are February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Amboy, WA
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).





