May weather forecast
Brockway, MT

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Weather in May

May, the last month of the spring in Brockway, is an enjoyable month, with an average temperature varying between 64.9°F (18.3°C) and 46.9°F (8.3°C).

Temperature

May's onset brings a temperature rise, moving from a fresh 53.4°F (11.9°C) in April to an enjoyable 64.9°F (18.3°C). The nights of May anticipate an average low-temperature of 46.9°F (8.3°C).

Humidity

The average relative humidity in May in Brockway, Montana, is 56%.

Rainfall

The month with the most rainfall in Brockway is May, when the rain falls for 13.7 days and typically aggregates up to 2.2" (56mm) of precipitation.

Snowfall

Months with snowfall in Brockway are January through May, October through December. May is the last month it regularly snows. During 1 snowfall days, in May, Brockway aggregates 0.79" (20mm) of snow. Throughout the year, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

In Brockway, the average length of the day in May is 15h and 7min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:51 pm MDT.

Sunshine

The average sunshine in May in Brockway is 10h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Brockway in May?

Brockway in May has an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 46.9°F (8.3°C).

What is the average humidity in May in Brockway?

In May, the average relative humidity in Brockway is 56%.

What is the wettest month in Brockway?

The month with the most rainfall in Brockway is May, when the rain falls for 13.7 days and typically aggregates up to 2.2" (56mm) of precipitation.

How much does it rain in Brockway in May?

In Brockway, Montana, in May, it is raining for 13.7 days, with typically 2.2" (56mm) of accumulated precipitation.

What is the last month it snows in Brockway?

May is the last month it regularly snows in Brockway, Montana. During 1 snowfall days, in May, Brockway aggregates 0.79" (20mm) of snow.

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

In Brockway, Montana, the average day length in May is 15h and 7min.

When are sunrise and sunset in May in Brockway?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 8:14 pm. On the last day of the month, in Brockway, Montana, sunrise is at 5:10 am and sunset at 8:51 pm MDT.

How long on average sun shines in May in Brockway?

In May, the average sunshine duration in Brockway, Montana, is 10h.

What is the UV index reading in May in Brockway?

The average daily maximum UV index in May in Brockway is 5. 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
Brockway, MT

Average temperature in May - Brockway, MT
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in May
Brockway, MT

Average pressure in May - Brockway, MT
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Brockway, MT

Average wind speed in May - Brockway, MT
  • Average wind speed in May: 10.5mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in May
Brockway, MT

Average humidity in May - Brockway, MT
  • Average humidity in May: 56%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall in May
Brockway, MT

Average rainfall in May - Brockway, MT
  • 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 (0.51").

Average rainfall days in May
Brockway, MT

Average rainfall days in May - Brockway, MT
  • Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall in May
Brockway, MT

Average snowfall in May - Brockway, MT
  • Average snowfall in May: 0.79"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Brockway, MT

Average snowfall days in May - Brockway, MT
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Brockway, MT
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in May
Brockway, MT

Average sunshine days in May - Brockway, MT
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in May
Brockway, MT

Average UV index in May - Brockway, MT
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in May
Brockway, MT

Average cloud cover in May - Brockway, MT
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in May
Brockway, MT

Average visibility in May - Brockway, 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).

Brockway, Montana, USA

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