8.4 /10
Excellent

May is an excellent month in Guymon

Climate Overview

Guymon, United States in May has warm conditions, with highs averaging 27°C (81°F). Winds are noticeable. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 25°C (77°F) at the start to 29°C (83°F) by month's end.

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

Expect around 11.1h of sunshine at the start of May, increasing to 11.6h by the end.

The warmest days tend to fall around the 26th, averaging 28.7°C (84°F).

Compared to April, this month is about 4°C warmer with 5 more rainy days. Temperatures will rise further into June.

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Monthly May Averages

Temperature
27°C / 13°C
Feels Like
25°C / 11°C
Rain
9 days · 73 mm
Sunshine
11.2h / day
Humidity
54% — Moderate
Wind
28 km/h
Wind Direction
SSE (162°)
Gusts
48 km/h
Daylight
14.1 h
Cloud Cover
43%
Clear Sky Days
9.6
UV Index
7.7 — Very High
Dew Point
11°C — Comfortable
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

36°C 31°C 26°C 21°C 16°C 11°C 6°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 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 06:40
Daylight 14.1h
Sunset 20:47

What to Expect

Daytime temperatures around 27°C (81°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

2 of the last 5 yearly records were warmer than this month's long-run average.

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

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

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

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

May is typically excellent for visiting Guymon, with average highs of 27°C (81°F) and around 9 rainy days. Guymon, United States in May has warm conditions, with highs averaging 27°C (81°F). Winds are noticeable. Temperatures d
Guymon typically sees around 9 rainy days in May with 73 mm (2.9 in) of total rainfall. An umbrella should suffice.
Evenings in Guymon during May are mild at 13°C (56°F). A light cardigan is usually enough.
With highs of 27°C (81°F) and lows of 13°C (56°F) in May, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.
Yes, May offers some of the best weather conditions in Guymon with comfortable temperatures and lower chances of rain.
The average UV index in Guymon during May is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.
Guymon gets approximately 14 hours of daylight per day in May, with around 11 hours of sunshine.
Snow is uncommon in Guymon during May based on 10-year climate averages.

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