3.5 /10
Poor

December is a poor month in Guymon

Climate Overview

Guymon, United States in December has mild conditions, with highs averaging 12.6°C (55°F) and noticeably cooler mornings. Rain is rare, falling on about 2 days this month. Temperatures drop noticeably between day and night.

This month falls at the beginning of Winter.

Temperatures remain fairly steady throughout December, with daily highs around 12°C (54°F).

Rainfall is heaviest during the middle of the month, while the first third tends to be drier.

Expect around 8.3h of sunshine at the start of December, decreasing to 7.8h by the end.

The warmest days tend to fall around the 23th, averaging 13.8°C (57°F).

Compared to November, this month is about 5°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into January.

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Monthly December Averages

Temperature
13°C / 0°C
Feels Like
8°C / -5°C
Rain
2 days · 17 mm
Sunshine
8h / day
Humidity
50% — Moderate
Wind
25 km/h
Wind Direction
W (264°)
Gusts
42 km/h
Daylight
9.7 h
Cloud Cover
35%
Clear Sky Days
11.3
UV Index
3.2 — Moderate
Dew Point
-3°C — Dry
Moon Phase
Waxing Crescent · 31%
Snow Days
2 days · 3 cm
Frost Days
16 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

20°C 16°C 12°C 8°C 4°C 0°C -4°C -8°C 151015202531
HighLow

Daily Precipitation

0 mm 1 mm 2 mm 3 mm 4 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 7 14 21 28 35 151015202531
Wind Speed
Sun Position
Sunrise 07:52
Daylight 9.7h
Sunset 17:32

Compare Months

January
Poor
Temp
11°C / -2°C
Feels Like
6°C / -7°C
Rain
3days (17 mm) Excellent
Sun
8h Good
Humidity
54% Moderate
UV
3.4 Moderate
Snow Days
3days
February
Poor
Temp
14°C / -1°C
Feels Like
9°C / -6°C
Rain
2days (10 mm) Excellent
Sun
9.1h Good
Humidity
47% Moderate
UV
4.6 Moderate
Snow Days
3days
March
Fair
Temp
20°C / 4°C
Feels Like
15°C / 0°C
Rain
4days (27 mm) Good
Sun
9.8h Good
Humidity
45% Moderate
UV
6.1 High
Snow Days
2days
April
Good
Temp
23°C / 8°C
Feels Like
19°C / 4°C
Rain
4days (48 mm) Good
Sun
10.8h Excellent
Humidity
44% Moderate
UV
6.9 High
Snow Days
1days
May best
Excellent
Temp
27°C / 13°C
Feels Like
25°C / 11°C
Rain
9days (73 mm) Wet
Sun
11.2h Excellent
Humidity
54% Moderate
UV
7.7 Very High
June best
Excellent
Temp
32°C / 20°C
Feels Like
32°C / 18°C
Rain
8days (51 mm) Wet
Sun
12.4h Excellent
Humidity
53% Moderate
UV
8.1 Very High
July
Good
Temp
35°C / 22°C
Feels Like
35°C / 22°C
Rain
8days (53 mm) Wet
Sun
12.7h Excellent
Humidity
51% Moderate
UV
8.3 Very High
August best
Excellent
Temp
33°C / 21°C
Feels Like
33°C / 21°C
Rain
7days (38 mm) Good
Sun
11.7h Excellent
Humidity
52% Moderate
UV
7.7 Very High
September best
Excellent
Temp
31°C / 18°C
Feels Like
29°C / 16°C
Rain
5days (31 mm) Good
Sun
10.6h Excellent
Humidity
51% Moderate
UV
6.7 High
October best
Excellent
Temp
24°C / 11°C
Feels Like
20°C / 7°C
Rain
5days (38 mm) Good
Sun
9.2h Good
Humidity
49% Moderate
UV
5.3 High
Snow Days
1days
November
Fair
Temp
17°C / 4°C
Feels Like
13°C / 0°C
Rain
2days (19 mm) Excellent
Sun
8.2h Good
Humidity
52% Moderate
UV
3.8 Moderate
Snow Days
1days
December
Poor
Temp
13°C / 0°C
Feels Like
8°C / -5°C
Rain
2days (17 mm) Excellent
Sun
8h Good
Humidity
50% Moderate
UV
3.2 Moderate
Snow Days
2days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 11°C / -2°C 6°C / -7°C 3days (17 mm) Excellent 8h Good 54% Moderate 3.4 Moderate Poor View Details
February 14°C / -1°C 9°C / -6°C 2days (10 mm) Excellent 9.1h Good 47% Moderate 4.6 Moderate Poor View Details
March 20°C / 4°C 15°C / 0°C 4days (27 mm) Good 9.8h Good 45% Moderate 6.1 High Fair View Details
April 23°C / 8°C 19°C / 4°C 4days (48 mm) Good 10.8h Excellent 44% Moderate 6.9 High Good View Details
May best 27°C / 13°C 25°C / 11°C 9days (73 mm) Wet 11.2h Excellent 54% Moderate 7.7 Very High Excellent View Details
June best 32°C / 20°C 32°C / 18°C 8days (51 mm) Wet 12.4h Excellent 53% Moderate 8.1 Very High Excellent View Details
July 35°C / 22°C 35°C / 22°C 8days (53 mm) Wet 12.7h Excellent 51% Moderate 8.3 Very High Good View Details
August best 33°C / 21°C 33°C / 21°C 7days (38 mm) Good 11.7h Excellent 52% Moderate 7.7 Very High Excellent View Details
September best 31°C / 18°C 29°C / 16°C 5days (31 mm) Good 10.6h Excellent 51% Moderate 6.7 High Excellent View Details
October best 24°C / 11°C 20°C / 7°C 5days (38 mm) Good 9.2h Good 49% Moderate 5.3 High Excellent View Details
November 17°C / 4°C 13°C / 0°C 2days (19 mm) Excellent 8.2h Good 52% Moderate 3.8 Moderate Fair View Details
December 13°C / 0°C 8°C / -5°C 2days (17 mm) Excellent 8h Good 50% Moderate 3.2 Moderate Poor View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Layered clothingLight jacketComfortable walking shoes

Frequently Asked Questions

December is typically poor for visiting Guymon, with average highs of 13°C (55°F) and around 2 rainy days. Guymon, United States in December has mild conditions, with highs averaging 12.6°C (55°F) and noticeably cooler mornings
Guymon typically sees around 2 rainy days in December with 17 mm (0.7 in) of total rainfall. An umbrella should suffice.
Yes, nights in Guymon during December are cold, averaging 0°C (32°F). Pack warm layers and a coat for evenings.
With highs of 13°C (55°F) and lows of 0°C (32°F) in December, we recommend: Layered clothing, Light jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
December is not the most favourable month weather-wise in Guymon. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Guymon during December is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Guymon gets approximately 10 hours of daylight per day in December, with around 8 hours of sunshine.
Yes, Guymon typically sees around 2 snow days in December with roughly 3 cm (1 in) of snowfall.

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