Climate and monthly weather forecastArch Cape, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Arch Cape, Oregon, is another chilly winter month, with an average temperature varying between 41.2°F (5.1°C) and 47.8°F (8.8°C). Arch Cape's transition from December to January introduces an average high-temperature of a still chilly 47.8°F (8.8°C), marking an insignificant variation from the 46.6°F (8.1°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Arch Cape, Oregon, with an average temperature fluctuating between 47.7°F (8.7°C) and 40.8°F (4.9°C). An average high-temperature of a still chilly 47.7°F (8.7°C) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Arch Cape, Oregon, with an average temperature varying between 49.6°F (9.8°C) and 42.4°F (5.8°C). Arch Cape experiences an average high-temperature of a still frosty 49.6°F (9.8°C) in March, subtly different from February's 47.7°F (8.7°C). Weather in March »Weather in April
April is a cool spring month in Arch Cape, Oregon, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 52.3°F (11.3°C). Arch Cape experiences a subtle adjustment in high-temperatures to a fresh 52.3°F (11.3°C) with the onset of April, maintaining near parity with March's 49.6°F (9.8°C). Weather in April »Weather in May
May, the last month of the spring in Arch Cape, is a refreshing month, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 57.6°F (14.2°C). Arch Cape experiences a recorded average high-temperature of a refreshing 57.6°F (14.2°C) in May, closely aligned with April's 52.3°F (11.3°C). Weather in May »Weather in June
June, the first month of the summer in Arch Cape, is still a mild month, with an average temperature fluctuating between 50.9°F (10.5°C) and 60.6°F (15.9°C). The transition into June shows a subtle variation to a still refreshing 60.6°F (15.9°C) from May's 57.6°F (14.2°C) in the average high-temperature. Weather in June »Weather in July
July in Arch Cape, Oregon, is an enjoyable summer month, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 54.1°F (12.3°C). In July, Arch Cape's weather conditions record an average high-temperature of an enjoyable 64.2°F (17.9°C), demonstrating little divergence from the preceding month. Weather in July »Weather in August
August, the last month of the summer in Arch Cape, is another comfortable month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 65.5°F (18.6°C). Arch Cape notes the warmest temperatures in August, with a high average of 65.5°F (18.6°C) and a low of 55°F (12.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Arch Cape, Oregon, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 53.8°F (12.1°C). As Arch Cape transitions into September, the average high-temperature stands at a still refreshing 63.5°F (17.5°C), offering little variation from the preceding month. Weather in September »Weather in October
October, the same as September, in Arch Cape, Oregon, is a moderate autumn month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 58.1°F (14.5°C). October's onset introduces a mild reduction in the average high-temperature, from 63.5°F (17.5°C) in September to a still refreshing 58.1°F (14.5°C). Weather in October »Weather in November
November, the last month of the autumn in Arch Cape, is also a fresh month, with an average temperature fluctuating between 45.3°F (7.4°C) and 51.4°F (10.8°C). The arrival of November signals a subtle shift in temperature, down from a mild 58.1°F (14.5°C) in October to a fresh 51.4°F (10.8°C). Weather in November »Weather in December
December, the first month of the winter in Arch Cape, is still a chilly month, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 40.5°F (4.7°C). Arch Cape's coldest month, December, generally records average temperatures ranging from a high of 46.6°F (8.1°C) to a low of 40.5°F (4.7°C). Weather in December »Updated: Aug 30, 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
The months with the lowest humidity are January, March through May, October and December, with an average relative humidity of 81%.
In Arch Cape, during the entire year, the rain falls for 185.6 days and collects up to 39.8" (1011mm) of precipitation.
Months with snowfall are January through March and December.
Throughout the year, there are 2.8 snowfall days, and 1.3" (33mm) of snow is accumulated.
The months with the least sunshine are January and February, with an average of 3.9h of sunshine.
The month with the most snowfall is February, when snow falls for 1.3 days and typically aggregates up to 0.59" (15mm) of snow.
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2.
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.
In Arch Cape, snow does not fall in April through November.
The months with the highest UV index are May through September, with an average maximum UV index of 4.
With an average of 15h and 42min of daylight, June has the longest days of the year.
The months with the least rainfall are July and August Rain falls for 7.3 days and accumulates 0.47" (12mm) of rain.
With average high and low temperatures of 65.5°F (18.6°C) and 55°F (12.8°C) respectively, August is Arch Cape's warmest month.
The most humid month in Arch Cape is August, with an average relative humidity of 84%.
The month with the most sunshine is August, with an average of 10h of sunshine.
With average high temperatures of 46.6°F (8.1°C) and lows of 40.5°F (4.7°C), December is the coldest month.
December is the month with the most rainfall. Rain falls for 20.7 days and accumulates 6.54" (166mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 42min of daylight.
Average temperature
Arch Cape, OR
The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure
Arch Cape, OR
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.06"Hg - Average pressure in June:
30.06"Hg
- Average pressure in July:
30.07"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed
Arch Cape, OR
- Average wind speed in January:
10.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.7mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.8mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Arch Cape, OR
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).
Average rainfall
Arch Cape, OR
- Average rainfall in January:
6.26" - Average rainfall in February:
4.41" - Average rainfall in March:
4.06" - Average rainfall in April:
3.03" - Average rainfall in May:
1.85" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.47" - Average rainfall in September:
1.77" - Average rainfall in October:
4.17" - Average rainfall in November:
5.28" - Average rainfall in December:
6.54"
The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days
Arch Cape, OR
- Average rainfall days in January:
19.4 days - Average rainfall days in February:
18.7 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
19 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
7.3 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
16.1 days - Average rainfall days in November:
20.1 days - Average rainfall days in December:
20.7 days
The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).
Average snowfall
Arch Cape, OR
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Arch Cape, OR
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 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:
0.3 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Arch Cape, OR
- Average daylight in January:
9h and 12min - 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 54min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 24min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days
Arch Cape, OR
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
20.2 days - Average sunshine days in August:
21.2 days - Average sunshine days in September:
17 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
8.8 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).
Average UV index
Arch Cape, OR
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover
Arch Cape, OR
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Arch Cape, OR
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
