May weather forecast
Fishtail, MT

Share

Weather in May

May, the last month of the spring in Fishtail, is an enjoyable month, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 41.4°F (5.2°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a cool 51.3°F (10.7°C) in April to an enjoyable 61°F (16.1°C). Throughout May, the average low-temperature in Fishtail, Montana, dips to a cold 41.4°F (5.2°C).

Humidity

In Fishtail, the average relative humidity in May is 62%.

Rainfall

May is the month with the most rainfall in Fishtail. Rain falls for 16.3 days and accumulates 2.09" (53mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Fishtail. In Fishtail, during May, snow falls for 2.4 days and regularly aggregates up to 2.83" (72mm) of snow. Throughout the year, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of May, in Fishtail, Montana, sunrise is at 5:32 am and sunset at 8:58 pm MDT.

Sunshine

The average sunshine in May is 10.5h.

UV index

In May, the average daily maximum UV index in Fishtail is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What are the temperatures in Fishtail in May?

The high-temperature, in May, in Fishtail, is 61°F (16.1°C), while the low-temperature averages to 41.4°F (5.2°C).

What is the average humidity in May in Fishtail?

In Fishtail, Montana, the average relative humidity in May is 62%.

What is the rainiest month in Fishtail?

The month with the most rainfall is May, when the rain falls for 16.3 days and typically aggregates up to 2.09" (53mm) of precipitation.

How much does it rain in Fishtail in May?

In May, in Fishtail, Montana, the rain falls for 16.3 days. Throughout May, 2.09" (53mm) of precipitation is accumulated.

How much does it snow in Fishtail in May?

In Fishtail, in May, snow falls for 2.4 days, with typically accumulated 2.83" (72mm) of snow.

What is the average length of the day in May in Fishtail?

In May, the average day length in Fishtail, Montana, is 14h and 55min.

When are sunrise and sunset in May in Fishtail?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of the month, in Fishtail, Montana, sunrise is at 5:32 am and sunset at 8:58 pm MDT.

How many hours of sunshine does Fishtail have in May?

In May, the average sunshine duration in Fishtail is 10.5h.

What is the UV index intensity in May in Fishtail?

In Fishtail, Montana, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fishtail, MT

Average temperature in May - Fishtail, MT
  • Average high temperature in May: 61°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in May: 41.4°F

The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).

[Resources]

Average pressure in May
Fishtail, MT

Average pressure in May - Fishtail, MT
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in May
Fishtail, MT

Average wind speed in May - Fishtail, MT
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

[Resources]

Average humidity in May
Fishtail, MT

Average humidity in May - Fishtail, MT
  • Average humidity in May: 62%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).

[Resources]

Average rainfall in May
Fishtail, MT

Average rainfall in May - Fishtail, MT
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").

[Resources]

Average rainfall days in May
Fishtail, MT

Average rainfall days in May - Fishtail, MT
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).

[Resources]

Average snowfall in May
Fishtail, MT

Average snowfall in May - Fishtail, MT
  • Average snowfall in May: 2.83"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").

[Resources]

Average snowfall days in May
Fishtail, MT

Average snowfall days in May - Fishtail, MT
  • Average snowfall days in May: 2.4 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Fishtail, MT

Average daylight in May / Average sunshine in May - Fishtail, MT
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in May
Fishtail, MT

Average sunshine days in May - Fishtail, MT
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).

[Resources]

Average UV index in May
Fishtail, MT

Average UV index in May - Fishtail, MT
  • Average UV index in May: 4

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

[Resources]

Average cloud cover in May
Fishtail, MT

Average cloud cover in May - Fishtail, MT
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).

[Resources]

Average visibility in May
Fishtail, MT

Average visibility in May - Fishtail, MT
  • 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).

[Resources]

Fishtail, Montana, USA

Weather forecast for your location

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