May weather forecast
Colby, KS

Share

Weather in May

May transforms the city into a colorful bloom, captivating the eyes of both locals and tourists in Colby, Kansas. The noticeable increases in temperatures are accompanied by slightly reduced rainfall as compared to April. With an average of 14.4 daylight hours, plenty of outdoor activities can be planned. Be sure to prepare for warm days, with increasing temperatures indicating the beginning of summer. Despite the uptick in humidity, the wind is set to deliver cool breezes throughout the month.

Temperature

The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 63.9°F (17.7°C) in April to an agreeable 72.7°F (22.6°C). Colby sees a major change from daytime highs, with the nighttime temperature dipping to a fresh 50.9°F (10.5°C) on average during May.

Humidity

In Colby, the average relative humidity in May is 59%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.1 days and accumulates 2.2" (56mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Colby aggregates 0.16" (4mm) of snow. In Colby, during the entire year, snow falls for 22.3 days and aggregates up to 7.36" (187mm) of snow.

Daylight

In Colby, the average length of the day in May is 14h and 22min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:38 pm. On the last day of May, in Colby, sunrise is at 6:19 am and sunset at 9:04 pm CDT.

Sunshine

In Colby, the average sunshine in May is 10h.

UV index

In Colby, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 in May translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What are May temperatures?

In May, the average high-temperature and low-temperature are 72.7°F (22.6°C) and 50.9°F (10.5°C) respectively.

What is the average humidity in May?

In May, the average relative humidity is 59%.

What is the wettest month in Colby?

The month with the most rainfall in Colby is May, when the rain falls for 14.1 days and typically aggregates up to 2.2" (56mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 14.1 days. Throughout May, 2.2" (56mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Colby aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 22min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:44 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:04 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10h.

What is the UV index reading in May?

In Colby, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Colby, KS

Average temperature in May - Colby, KS
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (41.4°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

Average pressure in May
Colby, KS

Average pressure in May - Colby, KS
  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

Average wind speed in May
Colby, KS

Average wind speed in May - Colby, KS
  • Average wind speed in May: 11.6mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

Average humidity in May
Colby, KS

Average humidity in May - Colby, KS
  • Average humidity in May: 59%

The months with the highest relative humidity are January and December (64%).
The month with the lowest relative humidity is July (51%).

Average rainfall in May
Colby, KS

Average rainfall in May - Colby, KS
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in May
Colby, KS

Average rainfall days in May - Colby, KS
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (2.4 days).

Average snowfall in May
Colby, KS

Average snowfall in May - Colby, KS
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Colby, KS

Average snowfall days in May - Colby, KS
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Colby, KS

Average daylight in May / Average sunshine in May - Colby, KS
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in May
Colby, KS

Average sunshine days in May - Colby, KS
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is December (25 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in May
Colby, KS

Average UV index in May - Colby, KS
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Colby, KS

Average cloud cover in May - Colby, KS
  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 19).

Average visibility in May
Colby, KS

Average visibility in May - Colby, KS
  • Average visibility in May: 6mi

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

Colby, Kansas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location