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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, like December, is another chilly winter month in Williams, Oregon, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 30.6°F (-0.8°C). The shift into January uncovers an average high-temperature of a still chilly 45.7°F (7.6°C), subtly different from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Williams, is another chilly month, with an average temperature varying between 46.9°F (8.3°C) and 30.4°F (-0.9°C). Transitioning from January to February, Williams observes an average high-temperature of a still frosty 46.9°F (8.3°C), differing subtly from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Williams, is a fresh month, with an average temperature fluctuating between 50.2°F (10.1°C) and 32.4°F (0.2°C). March's advent denotes a minor fluctuation in the average high-temperature to a cool 50.2°F (10.1°C) from February's 46.9°F (8.3°C). Weather in March »
Weather in April
April in Williams, Oregon, is a mild spring month, with an average temperature varying between 34.5°F (1.4°C) and 56.1°F (13.4°C). The arrival of April witnesses a small shift in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in March to a refreshing 56.1°F (13.4°C). Weather in April »
Weather in May
May, the last month of the spring in Williams, is a comfortable month, with an average temperature varying between 64.6°F (18.1°C) and 39.4°F (4.1°C). A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 56.1°F (13.4°C) to a comfortable 64.6°F (18.1°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Williams, Oregon, with an average temperature ranging between max 72.3°F (22.4°C) and min 43.5°F (6.4°C). A slight uplift in the average high-temperature marks June, adjusting from May's enjoyable 64.6°F (18.1°C) to a pleasant 72.3°F (22.4°C). Weather in June »
Weather in July
July in Williams, Oregon, is a warm summer month, with an average temperature fluctuating between 83.3°F (28.5°C) and 49.5°F (9.7°C). With the onset of July, Williams's average high-temperature sees a rise, moving from June's agreeable 72.3°F (22.4°C) to a moderately hot 83.3°F (28.5°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Williams, Oregon, with an average temperature fluctuating between 49.5°F (9.7°C) and 84.4°F (29.1°C). The warmest month is August, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 49.5°F (9.7°C). The heat index value during August is estimated at a hot 87.8°F (31°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Williams, Oregon, with an average temperature fluctuating between 44.8°F (7.1°C) and 76.5°F (24.7°C). Williams's progression into September involves a gentle drop in the average high-temperature, from 84.4°F (29.1°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Williams, Oregon, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 39.6°F (4.2°C). Onset of October witnesses a reduction in the average high-temperature, falling from a warm 76.5°F (24.7°C) in September to an enjoyable 63.5°F (17.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Williams, Oregon, with an average temperature fluctuating between 50.9°F (10.5°C) and 34.2°F (1.2°C). November brings a minor decrease, with the average high-temperature reducing from an enjoyable 63.5°F (17.5°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Williams, Oregon, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 28.9°F (-1.7°C). Williams experiences its lowest temperatures in December, with an average peak of 43.5°F (6.4°C) and a low of 28.9°F (-1.7°C). Weather in December »
Updated: Jun 29, 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
What are the most humid months?
January and December, with an average relative humidity of 84%, are most humid months.
What is the wettest month?
January is the month with the most rainfall in Williams. Rain falls for 9.1 days and accumulates 2.01" (51mm) of precipitation.
How much does it rain?
In Williams, during the entire year, the rain falls for 92.5 days and collects up to 12.09" (307mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall in Williams.
How much does it snow?
In Williams, during the entire year, snow falls for 31 days and aggregates up to 23.39" (594mm) of snow.
What is the month with the least sunshine?
The months with the least sunshine are January and December, with an average of 5h of sunshine.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
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?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What is the driest month?
July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.28" (7mm) of precipitation.
What are the months with the most sunshine?
July and August, with an average of 11.8h of sunshine, are months with the most sunshine.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What are the warmest months?
August brings the highest temperatures, with an average high of 84.4°F (29.1°C) and an average low of 49.5°F (9.7°C).
What is the least humid month?
With an average relative humidity of 60%, August is the least humid month.
What month is the coldest?
December is the coldest month in Williams, with an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 28.9°F (-1.7°C).
When does it snow the most?
December is the month with the most snowfall. Snow falls for 6.7 days and accumulates 6.3" (160mm) of snow.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Williams.
Average temperature
Williams, OR
The warmest month (with the highest average high temperature) is August (84.4°F).
The month with the lowest average high temperature is December (43.5°F).
The months with the highest average low temperature are July and August (49.5°F).
The coldest month (with the lowest average low temperature) is December (28.9°F).
Average pressure
Williams, OR
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed
Williams, OR
- Average wind speed in January:
4.2mph - Average wind speed in February:
4.1mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.1mph - Average wind speed in May:
3.8mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.5mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.4mph - Average wind speed in October:
3.6mph - Average wind speed in November:
3.9mph - Average wind speed in December:
4mph
The windiest month (with the highest average wind speed) is March (4.3mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Williams, OR
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (60%).
Average rainfall
Williams, OR
- Average rainfall in January:
2.01" - Average rainfall in February:
1.61" - Average rainfall in March:
1.38" - Average rainfall in April:
1.14" - Average rainfall in May:
1.14" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.31" - Average rainfall in September:
0.43" - Average rainfall in October:
0.67" - Average rainfall in November:
0.94" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is January (2.01").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days
Williams, OR
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
6.4 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.5 days - Average rainfall days in September:
4.4 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.5 days).
Average snowfall
Williams, OR
- Average snowfall in January:
5.24" - Average snowfall in February:
6.02" - Average snowfall in March:
3.11" - Average snowfall in April:
0.87" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williams, OR
- Average snowfall days in January:
5 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
6.4 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.3 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:
2.5 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williams, OR
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 3min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 0min).
Average sunshine days
Williams, OR
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
22.7 days
- Average sunshine days in July:
25.3 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
25 days - Average sunshine days in October:
22.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.2 days
The months with the most sunshine days are July and August (25.3 days).
The month with the least sunshine days is March (15 days).
Average UV index
Williams, OR
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
Williams, OR
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Williams, OR
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Williams, Oregon, USA
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