February weather forecast and climate
Roy, MT

February, the last month of the winter, in Roy, is another freezing cold month, with average temperature ranging between min 15.3°F (-9.3°C) and max 29.1°F (-1.6°C).

Temperature

February and December, with an average high-temperature of 29.1°F (-1.6°C), are the coldest months.

Humidity

The most humid month in Roy is February, with an average relative humidity of 79%.

Rainfall

In Roy, during 6.9 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Roy, there are 126.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Roy are January through June, September through December. In February, in Roy, it is snowing for 15.2 days. Throughout February, 6.65" (169mm) of snow is accumulated. In Roy, during the entire year, snow falls for 83.4 days, and aggregates up to 45.51" (1156mm) of snow.

Daylight

The average length of the day in Roy is 10.3h.

Sunshine

The month with the least sunshine in Roy is February, with an average of 5.5h of sunshine.

UV index

Months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In February, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What are the coldest months in Roy?

The coldest months in Roy are February and December, with an average high-temperature of 29.1°F (-1.6°C).

What is the temperature in February in Roy?

In Roy, Montana, in February, the average high-temperature is 29.1°F (-1.6°C), and the average low-temperature is 15.3°F (-9.3°C).

What is the most humid month in Roy?

February is the most humid month, with an average relative humidity of 79%.

What is the average humidity in February in Roy?

In February, the average relative humidity is 79%.

How much does it rain in Roy in February?

In Roy, in February, during 6.9 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

How many days does it snow in February in Roy?

In Roy, in February, during 15.2 snowfall days, 6.65" (169mm) of snow is typically accumulated.

How many hours of daylight does Roy have in February?

In Roy, Montana, the average length of the day in February is 10.3h.

What is the month with the least sunshine in Roy?

The month with the least sunshine in Roy, Montana, is February, with an average of 5.5h of sunshine.

How long on average sun shines in February in Roy?

The average sunshine in February in Roy, Montana, is 5.5h.

When is the lowest UV index in Roy?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Roy.

What is the UV index intensity in February in Roy?

In February, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in February - Roy, MT
  • Average high temperature in February: -1.6°C

The warmest month (with the highest average high temperature) is July (26°C).
Months with the lowest average high temperature are February and December (-1.6°C).

  • Average low temperature in February: -9.3°C

The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).

Average pressure in February - Roy, MT
  • Average pressure in February: 1019.7mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).

Average wind speed in February - Roy, MT
  • Average wind speed in February: 14.6km/h

The windiest months (with the highest average wind speed) are January, April and October (15.9km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in February - Roy, MT
  • Average humidity in February: 79%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall in February - Roy, MT
  • Average rainfall in February: 25mm

The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is December (18mm).

Average rainfall days in February - Roy, MT
  • Average rainfall days in February: 6.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in February - Roy, MT
  • Average snowfall in February: 169mm

The month with the highest snowfall is April (232mm).
Months with the least snowfall are July and August (0mm).

Average snowfall days in February - Roy, MT
  • Average snowfall days in February: 15.2 days

The month with the highest number of snowfall days is February (15.2 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in February / Average sunshine in February - Roy, MT
  • Average daylight in February: 10.3h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in February: 5.5h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 5.5h).

Average sunshine days in February - Roy, MT
  • Average sunshine days in February: 11.8 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in February - Roy, MT
  • Average UV index in February: 2

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

Average cloud cover in February - Roy, MT
  • Average cloud cover in February: 45

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in February - Roy, MT
  • Average visibility in February: 9km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January, February, March, April, May, October, November and December (9km).