Climate and monthly weather forecastRaleigh Hills, OR
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Raleigh Hills, Oregon, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 46°F (7.8°C). The beginning of January records an average high-temperature of a still frosty 46°F (7.8°C), almost echoing the conditions of the previous month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Raleigh Hills, Oregon, with an average temperature ranging between min 35.4°F (1.9°C) and max 47.7°F (8.7°C). The advent of February reveals an average high-temperature of a still chilly 47.7°F (8.7°C), showing minimal difference from the prior month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Raleigh Hills, Oregon, with an average temperature varying between 52.7°F (11.5°C) and 38.1°F (3.4°C). The arrival of March denotes a barely perceptible change in the average high-temperatures to a cool 52.7°F (11.5°C) from February's 47.7°F (8.7°C). Weather in March »Weather in April
April is a mild spring month in Raleigh Hills, Oregon, with an average temperature ranging between max 58.6°F (14.8°C) and min 39.9°F (4.4°C). April brings a slight rise in Raleigh Hills's average high-temperature, moving from a fresh 52.7°F (11.5°C) in March to a refreshing 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Raleigh Hills, is a comfortable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 44.6°F (7°C). May's onset brings a temperature rise, moving from a mild 58.6°F (14.8°C) in April to a still refreshing 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Raleigh Hills, is an agreeable month, with an average temperature ranging between max 72.5°F (22.5°C) and min 48.7°F (9.3°C). The transition into June shows a subtle variation to an agreeable 72.5°F (22.5°C) from May's 67.6°F (19.8°C) in the average high-temperature. Weather in June »Weather in July
July is a moderately hot summer month in Raleigh Hills, Oregon, with an average temperature fluctuating between 81°F (27.2°C) and 53.4°F (11.9°C). July witnesses a minor rise in the average high-temperature, transitioning from a pleasant 72.5°F (22.5°C) in June to a warm 81°F (27.2°C). Weather in July »Weather in August
August, the last month of the summer in Raleigh Hills, is another warm month, with an average temperature fluctuating between 81.7°F (27.6°C) and 55.6°F (13.1°C). Raleigh Hills's August weather reaches an average high of 81.7°F (27.6°C) and an average low of 55.6°F (13.1°C), making it the warmest month. For August, the heat index is evaluated at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Raleigh Hills, Oregon, with an average temperature fluctuating between 52°F (11.1°C) and 74.3°F (23.5°C). Raleigh Hills experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 81.7°F (27.6°C) in August to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, in Raleigh Hills, Oregon, is another enjoyable autumn month, with an average temperature ranging between min 45.5°F (7.5°C) and max 61.7°F (16.5°C). In Raleigh Hills, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 74.3°F (23.5°C) to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in Raleigh Hills, is another cool month, with an average temperature varying between 50.9°F (10.5°C) and 39.9°F (4.4°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 61.7°F (16.5°C) in October to a cool 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Raleigh Hills, is also a frosty month, with an average temperature ranging between max 44.2°F (6.8°C) and min 34.7°F (1.5°C). In Raleigh Hills, the lowest average temperatures are observed in December, with a high of 44.2°F (6.8°C) and a low of 34.7°F (1.5°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
Throughout the year, there are 173.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
Throughout the year, there are 6.1 snowfall days, and 4.37" (111mm) of snow is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The months with the highest humidity in Raleigh Hills are February and December, with an average relative humidity of 84%.
February is the month with the most snowfall. Snow falls for 2.2 days and accumulates 1.61" (41mm) of snow.
With an average of 3.9h of sunshine, February has the least sunshine of the year in Raleigh Hills, Oregon.
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.
April through October are months without snowfall.
The month with the longest days is June, with an average of 15h and 36min of daylight.
July is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.31" (8mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
August, marked by an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 55.6°F (13.1°C), is the warmest month.
The least humid month is August, with an average relative humidity of 63%.
August has the most sunshine of the year, with an average of 10.9h of sunshine.
Raleigh Hills notes the coldest temperatures in December, with a average high of 44.2°F (6.8°C) and a low of 34.7°F (1.5°C).
The month with the most rainfall is December, when the rain falls for 18.7 days and typically aggregates up to 4.61" (117mm) of precipitation.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Raleigh Hills.
Average temperature
Raleigh Hills, OR
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.2°F).
The month with the highest average low temperature is August (55.6°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure
Raleigh Hills, OR
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.03"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:
30.04"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:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Raleigh Hills, OR
- Average wind speed in January:
5.4mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.2mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Raleigh Hills, OR
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall
Raleigh Hills, OR
- Average rainfall in January:
4.49" - Average rainfall in February:
3.35" - Average rainfall in March:
3.43" - Average rainfall in April:
2.87" - Average rainfall in May:
1.69" - Average rainfall in June:
1.18"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.35" - Average rainfall in September:
1.54" - Average rainfall in October:
3.31" - Average rainfall in November:
3.43" - Average rainfall in December:
4.61"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Raleigh Hills, OR
- Average rainfall days in January:
18.5 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
20.6 days - Average rainfall days in April:
18.7 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
4.7 days - Average rainfall days in August:
4.6 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
18.8 days - Average rainfall days in December:
18.7 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).
Average snowfall
Raleigh Hills, OR
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Raleigh Hills, OR
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
1.5 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:
0.3 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Raleigh Hills, 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:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 0min - 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 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 36min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days
Raleigh Hills, OR
- Average sunshine days in January:
11 days - Average sunshine days in February:
8.9 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
15.9 days
- Average sunshine days in July:
24.9 days - Average sunshine days in August:
24.6 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
10.3 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (8.6 days).
Average UV index
Raleigh Hills, 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
Raleigh Hills, OR
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Raleigh Hills, OR
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
