December weather forecast
Colo, IA

• 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
Colo, IA

• Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (26.2°F).

• Average low temperature in December: 21.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in December
Colo, IA

• Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Colo, IA

• Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in December
Colo, IA

• Average humidity in December: 81%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Colo, IA

• Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in December
Colo, IA

• Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Colo, IA

• Average snowfall in December: 2.01"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Colo, IA

• Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Colo, IA

• 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 December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Colo, IA

• Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in December
Colo, IA

• Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December
Colo, IA

• Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in December
Colo, IA

• Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).