December weather forecast
Blachly, OR

• Average temperature in December
• Average pressure in December
• Average wind speed in December
• Average humidity in December
• Average rainfall in December
• Average rainfall days in December
• Average snowfall in December
• Average snowfall days in December
• Average daylight in December
• Average sunshine in December
• Average sunshine days in December
• Average UV index in December
• Average cloud cover in December
• Average visibility in December

Average temperature in December
Blachly, OR

• Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.7°F).

• Average low temperature in December: 34.2°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in December
Blachly, OR

• 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 in December
Blachly, OR

• Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).

Average humidity in December
Blachly, OR

• Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in December
Blachly, OR

• Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in December
Blachly, OR

• Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.1 days).

Average snowfall in December
Blachly, OR

• Average snowfall in December: 0.08"

The month with the highest snowfall is November (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Blachly, OR

• Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Blachly, OR

• 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 December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Blachly, OR

• Average sunshine days in December: 14.4 days

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (12.9 days).

Average UV index in December
Blachly, OR

• Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Blachly, OR

• Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Blachly, OR

• Average visibility in December: 4mi

The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).