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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 Waterloo, Oregon, with an average temperature fluctuating between 35.2°F (1.8°C) and 47.7°F (8.7°C). The advent of January denotes an average high-temperature of a still chilly 47.7°F (8.7°C), subtly different from December's 45.3°F (7.4°C). Weather in January »
Weather in February
February, the last month of the winter in Waterloo, is also a frosty month, with an average temperature varying between 34.7°F (1.5°C) and 48.4°F (9.1°C). Waterloo experiences an average high-temperature of a still chilly 48.4°F (9.1°C) in February, marking an insignificant shift from 47.7°F (8.7°C) in January. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Waterloo, Oregon, with an average temperature ranging between max 51.6°F (10.9°C) and min 36.3°F (2.4°C). Waterloo ushers in March with an average high-temperature of a fresh 51.6°F (10.9°C), showing a close resemblance to the previous month. Weather in March »
Weather in April
April is a moderate spring month in Waterloo, Oregon, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 57.6°F (14.2°C). April's arrival brings a modest temperature shift, moving from a fresh 51.6°F (10.9°C) in March to a mild 57.6°F (14.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Waterloo, Oregon, with an average temperature varying between 65.3°F (18.5°C) and 41.5°F (5.3°C). May marks a minor ascent in the average high-temperature, adjusting from April's mild 57.6°F (14.2°C) to an enjoyable 65.3°F (18.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Waterloo, Oregon, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 46°F (7.8°C). Waterloo's transition into June is marked by a minor temperature shift, moving from an enjoyable 65.3°F (18.5°C) in May to a pleasant 70.9°F (21.6°C). Weather in June »
Weather in July
July in Waterloo, Oregon, is a warm summer month, with an average temperature fluctuating between 50.5°F (10.3°C) and 79.5°F (26.4°C). Waterloo in July experiences a slight uptick in the average high-temperature, adjusting from June's agreeable 70.9°F (21.6°C) to a warm 79.5°F (26.4°C). Weather in July »
Weather in August
August, the last month of the summer in Waterloo, is also a moderately hot month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 51.8°F (11°C). Waterloo registers the highest average temperatures during the month of August, with peaks of 81.1°F (27.3°C) and lows of 51.8°F (11°C). During August, the heat index is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Waterloo, is still a warm month, with an average temperature varying between 48.9°F (9.4°C) and 73.4°F (23°C). The onset of September brings a small shift in high-temperatures, falling from 81.1°F (27.3°C) in August to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Waterloo, Oregon, with an average temperature varying between 62.1°F (16.7°C) and 44.2°F (6.8°C). The arrival of October indicates a decrease in the average high-temperature, moving from a warm 73.4°F (23°C) in September to an enjoyable 62.1°F (16.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Waterloo, is another cool month, with an average temperature ranging between max 51.4°F (10.8°C) and min 39°F (3.9°C). The shift to November brings a decrease in the average high-temperature, falling from an enjoyable 62.1°F (16.7°C) in October to a cool 51.4°F (10.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Waterloo, Oregon, with an average temperature fluctuating between 45.3°F (7.4°C) and 34.2°F (1.2°C). Waterloo notes the coldest temperatures in December, with a high average of 45.3°F (7.4°C) and a low of 34.2°F (1.2°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Waterloo?
January through March and December, with an average relative humidity of 86%, are most humid months in Waterloo, Oregon.
How much does it rain in Waterloo?
Throughout the year, in Waterloo, there are 163.3 rainfall days, and 29.92" (760mm) of precipitation is accumulated.
When does it snow in Waterloo?
January through March, November and December are months with snowfall in Waterloo, Oregon.
How much does it snow in Waterloo?
In Waterloo, during the entire year, snow falls for 5.6 days and aggregates up to 4.09" (104mm) of snow.
When is the lowest UV index in Waterloo?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month in Waterloo?
The month with the most snowfall in Waterloo is February, when snow falls for 2.5 days and typically aggregates up to 2.13" (54mm) of snow.
What is the month with the least sunshine in Waterloo?
With an average of 4.2h of sunshine, February has the least sunshine of the year in Waterloo.
When is Daylight Saving Time (DST) in Waterloo?
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 in Waterloo?
April through October are months without snowfall in Waterloo, Oregon.
When are the longest days in Waterloo?
With an average of 15h and 30min of daylight, June has the longest days of the year.
What is the driest month in Waterloo?
July is the month with the least rainfall in Waterloo. Rain falls for 3.8 days and accumulates 0.24" (6mm) of precipitation.
When is the highest UV index in Waterloo?
The month with the highest UV index in Waterloo is July, with an average maximum UV index of 6.
What part of the year is the hottest in Waterloo?
August brings the highest temperatures in Waterloo, Oregon, with an average high of 81.1°F (27.3°C) and an average low of 51.8°F (11°C).
What is the least humid month in Waterloo?
August is the least humid month in Waterloo, with an average relative humidity of 66%.
What month has the most sunshine in Waterloo?
August has the most sunshine of the year in Waterloo, with an average of 11.2h of sunshine.
What are the coldest months in Waterloo?
The lowest temperatures are recorded in December, with averages reaching a high of 45.3°F (7.4°C) and a low of 34.2°F (1.2°C).
What is the wettest month in Waterloo?
The month with the most rainfall is December, when the rain falls for 18 days and typically aggregates up to 4.41" (112mm) of precipitation.
What is the month with the shortest days in Waterloo?
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Waterloo, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.3°F).
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure
Waterloo, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.07"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:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Waterloo, OR
- Average wind speed in January:
5.1mph - Average wind speed in February:
5mph - Average wind speed in March:
5.1mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
The windiest months (with the highest average wind speed) are January and March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Waterloo, OR
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Waterloo, OR
- Average rainfall in January:
4.09" - Average rainfall in February:
3.43" - Average rainfall in March:
3.7" - Average rainfall in April:
3.07" - Average rainfall in May:
1.85" - Average rainfall in June:
1.34"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.31" - Average rainfall in September:
1.5" - Average rainfall in October:
2.68" - Average rainfall in November:
3.31" - Average rainfall in December:
4.41"
The wettest month (with the highest rainfall) is December (4.41").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days
Waterloo, OR
- Average rainfall days in January:
17.4 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
20.1 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.8 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
18 days - Average rainfall days in December:
18 days
The month with the highest number of rainy days is March (20.1 days).
The months with the least rainy days are July and August (3.8 days).
Average snowfall
Waterloo, OR
The month with the highest snowfall is February (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Waterloo, OR
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
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:
0.1 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Waterloo, OR
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Waterloo, OR
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
10 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
17 days
- Average sunshine days in July:
25.6 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
19.3 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is March (9.1 days).
Average UV index
Waterloo, 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
Waterloo, OR
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Waterloo, OR
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).
Waterloo, Oregon, USA
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