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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, the same as December, is a wintry winter month in Altamont, Oregon, with an average temperature varying between 25.7°F (-3.5°C) and 38.7°F (3.7°C). The onset of January brings with it an average high-temperature of a still wintry 38.7°F (3.7°C), showing a negligible variation from the month before. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Altamont, Oregon, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 40.5°F (4.7°C). Altamont ushers in February with an average high-temperature of a still icy 40.5°F (4.7°C), showing a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Altamont, is a frosty month, with an average temperature fluctuating between 44.6°F (7°C) and 29.7°F (-1.3°C). The arrival of March brings an average high-temperature of a frosty 44.6°F (7°C), subtly diverging from February's 40.5°F (4.7°C). Weather in March »
Weather in April
April is a cool spring month in Altamont, Oregon, with an average temperature fluctuating between 52.5°F (11.4°C) and 32.9°F (0.5°C). April showcases a minor temperature ascent, adjusting from March's frosty 44.6°F (7°C) to a cool 52.5°F (11.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Altamont, Oregon, with an average temperature ranging between min 37.9°F (3.3°C) and max 61.7°F (16.5°C). Altamont in May shows a temperature shift, moving from an average high of a fresh 52.5°F (11.4°C) in April to a refreshing 61.7°F (16.5°C). Weather in May »
Weather in June
June, the first month of the summer in Altamont, is an agreeable month, with an average temperature ranging between max 70.5°F (21.4°C) and min 43.2°F (6.2°C). Altamont observes a slight ascent in average high-temperatures during June, adjusting from an enjoyable 61.7°F (16.5°C) in May to an agreeable 70.5°F (21.4°C). Weather in June »
Weather in July
July in Altamont, Oregon, is a moderately hot summer month, with an average temperature ranging between max 82°F (27.8°C) and min 48.6°F (9.2°C). The month of July, characterized by an average high of 82°F (27.8°C) and a low of 48.6°F (9.2°C), is recognized as the warmest. July's heat index is estimated at 82.4°F (28°C). Weather in July »
Weather in August
August, the last month of the summer in Altamont, is also a moderately hot month, with an average temperature varying between 48.4°F (9.1°C) and 80.8°F (27.1°C). At the onset of August, Altamont records an average high-temperature of a still warm 80.8°F (27.1°C), showing little deviation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Altamont, Oregon, with an average temperature varying between 72.7°F (22.6°C) and 43.7°F (6.5°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 80.8°F (27.1°C) to a pleasant 72.7°F (22.6°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Altamont, Oregon, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 36.5°F (2.5°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from an agreeable 72.7°F (22.6°C) in September to a refreshing 59.2°F (15.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Altamont, Oregon, with an average temperature ranging between max 46°F (7.8°C) and min 29.7°F (-1.3°C). Altamont in November undergoes a mild reduction in the average high-temperature, shifting from October's refreshing 59.2°F (15.1°C) to a frosty 46°F (7.8°C). Weather in November »
Weather in December
December, the first month of the winter in Altamont, is also an icy month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 36.9°F (2.7°C). December brings the lowest temperatures, with an average high of 36.9°F (2.7°C) and an average low of 25.2°F (-3.8°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Altamont?
January is the most humid month in Altamont, with an average relative humidity of 84%.
How many days does it rain in Altamont?
In Altamont, Oregon, during the entire year, the rain falls for 100.4 days and collects up to 13.15" (334mm) of precipitation.
When does it snow in Altamont?
January through June, September through December are months with snowfall in Altamont.
How much does it snow in Altamont?
Throughout the year, in Altamont, Oregon, there are 70.5 snowfall days, and 42.52" (1080mm) of snow is accumulated.
What is the month with the least sunshine in Altamont?
With an average of 5.3h of sunshine, January has the least sunshine of the year in Altamont, Oregon.
When is the lowest UV index in Altamont?
The month with the lowest UV index in Altamont, Oregon, is February, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Altamont?
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 are the longest days in Altamont?
The month with the longest days in Altamont is June, with an average of 15h and 12min of daylight.
What time of the year is the hottest in Altamont?
July, on average, is the warmest month, registering a high temperature of 82°F (27.8°C) and a low of 48.6°F (9.2°C).
What is the driest month in Altamont?
The month with the least rainfall in Altamont is July, when the rain falls for 4.3 days and typically collects 0.2" (5mm) of precipitation.
When it does not snow in Altamont?
In Altamont, snow does not fall in July and August.
What month has the most sunshine in Altamont?
July has the most sunshine of the year in Altamont, with an average of 12.1h of sunshine.
When is the highest UV index in Altamont?
July is the month with the highest UV index in Altamont, with an average maximum UV index of 6.
What is the least humid month in Altamont?
With an average relative humidity of 49%, August is the least humid month.
What is the coldest time of year in Altamont?
Altamont's December weather, marked by an average high temperature of 36.9°F (2.7°C) and an average low temperature of 25.2°F (-3.8°C), is the coldest in the year.
What is the wettest month in Altamont?
The month with the most rainfall in Altamont, Oregon, is December, when the rain falls for 8.4 days and typically aggregates up to 2.09" (53mm) of precipitation.
When does it snow the most in Altamont?
The month with the most snowfall in Altamont is December, when snow falls for 13.5 days and typically aggregates up to 10.63" (270mm) of snow.
What is the month with the shortest days in Altamont?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Altamont.
Average temperature
Altamont, OR
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36.9°F).
The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).
Average pressure
Altamont, OR
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed
Altamont, OR
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.3mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity
Altamont, OR
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (49%).
Average rainfall
Altamont, OR
- Average rainfall in January:
1.77" - Average rainfall in February:
1.54" - Average rainfall in March:
1.77" - Average rainfall in April:
1.22" - Average rainfall in May:
1.34" - Average rainfall in June:
0.59"
The wettest month (with the highest rainfall) is December (2.09").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Altamont, OR
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
12 days - Average rainfall days in June:
7.3 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
3.6 days - Average rainfall days in September:
4.1 days - Average rainfall days in October:
8 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is April (13.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall
Altamont, OR
- Average snowfall in January:
8.78" - Average snowfall in February:
8.07" - Average snowfall in March:
6.97" - Average snowfall in April:
2.72" - Average snowfall in May:
0.55" - Average snowfall in June:
0.08"
The month with the highest snowfall is December (10.63").
The months with the least snowfall are July and August (0").
Average snowfall days
Altamont, OR
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
12.1 days - Average snowfall days in March:
12.9 days - Average snowfall days in April:
7.6 days - Average snowfall days in May:
2.2 days - Average snowfall days in June:
0.4 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
1.4 days - Average snowfall days in November:
7.9 days - Average snowfall days in December:
13.5 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Altamont, 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 2min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days
Altamont, OR
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
10.6 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
17.4 days - Average sunshine days in June:
19.9 days
- Average sunshine days in July:
23.5 days - Average sunshine days in August:
24.9 days - Average sunshine days in September:
23.7 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
13.6 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is March (10.6 days).
Average UV index
Altamont, OR
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Altamont, OR
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Altamont, OR
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Altamont, Oregon, USA
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