Helena
Montana, USA
Long-term weather forecast
Long-term weather forecast

November weather forecast and climate
Helena, MT

The State Capital building of Montana in Helena city, set on a beautiful natural park
The State Capital building of Montana in Helena city, set on a beautiful natural park
November, the last month of the autumn, in Helena, is also a frosty month, with average temperature fluctuating between 43.2°F (6.2°C) and 21.9°F (-5.6°C).

Temperature

In November, the average high-temperature significantly decreases, from a mild 58.6°F (14.8°C) in October, to a chilly 43.2°F (6.2°C). In November, the average low-temperature is 21.9°F (-5.6°C).

Humidity

In Helena, Montana, the average relative humidity in November is 64.8%.

Rainfall

In November, the rain falls for 6.9 days. Throughout November, 0.5" (12.4mm) of precipitation is accumulated. In Helena, during the entire year, the rain falls for 91.6 days and collects up to 11.2" (284.9mm) of precipitation.

Snowfall

Months with snowfall are January through May, August through December. In Helena, snow falls for 4.6 days, with typically accumulated 4.8" (121.9mm) of snow. In Helena, during the entire year, snow falls for 32.8 days, and aggregates up to 38.1" (967.8mm) of snow.

Daylight

In Helena, the average length of the day in November is 9.4h.

Sunshine

The average sunshine in November is 4h.

UV index

Months with the lowest UV index in Helena, Montana, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in November in Helena?

In Helena, in November, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 21.9°F (-5.6°C).

What is the average humidity in November in Helena?

In Helena, Montana, the average relative humidity in November is 64.8%.

How many days does it rain in November in Helena?

In Helena, Montana, during November, the rain falls for 6.9 days and regularly aggregates up to 0.5" (12.4mm) of precipitation.

How many days does it snow in November in Helena?

In Helena, in November, snow falls for 4.6 days, with typically accumulated 4.8" (121.9mm) of snow.

What is the average length of the day in November in Helena?

In November, the average length of the day in Helena, Montana, is 9.4h.

How long on average sun shines in November in Helena?

In Helena, the average sunshine in November is 4h.

What is the month with the lowest UV index in Helena?

Months with the lowest UV index in Helena, Montana, are January, November and December, with an average maximum UV index of 1.

How high is the UV index in November in Helena?

In November, the average daily maximum UV index in Helena is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in November - Helena, MT
  • Average high temperature in November: 43.1°F

The warmest month (with the highest average high temperature) is July (85.7°F).
The month with the lowest average high temperature is December (31.7°F).

  • Average low temperature in November: 22°F

The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is December (11.9°F).

Average humidity in November - Helena, MT
  • Average humidity in November: 64.8%

The month with the highest relative humidity is December (68.1%).
The month with the lowest relative humidity is July (46.4%).

Average rainfall in November - Helena, MT
  • Average rainfall in November: 0.5"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.3").

Average rainfall days in November - Helena, MT
  • Average rainfall days in November: 6.9 days

The month with the highest number of rainy days is June (11.2 days).
The month with the lowest number of rainy days is February (5.9 days).

Average snowfall in November - Helena, MT
  • Average snowfall in November: 4.8"

The month with the highest snowfall is December (7.3").
Months with the lowest snowfall are June and July (0").

Average snowfall days in November - Helena, MT
  • Average snowfall days in November: 4.6 days

The month with the highest number of snowfall days is December (6 days).
The month with the lowest number of snowfall days is July (0 days).

Average daylight in November / Average sunshine in November - Helena, MT
  • Average daylight in November: 9.4h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in November: 4h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in November - Helena, MT
  • Average UV index in November: 1

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 1).