October weather forecast
Happy Haven, MT

Share

Weather in October

October, the same as September, in Happy Haven, Montana, is a frosty autumn month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 48.4°F (9.1°C).

Temperature

Happy Haven's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's refreshing 65.5°F (18.6°C) to a chilly 48.4°F (9.1°C). October generally records an average low-temperature of 30.7°F (-0.7°C).

Humidity

In October, the average relative humidity is 75%.

Rainfall

In October, the rain falls for 11.5 days. Throughout October, 0.91" (23mm) of precipitation is accumulated. In Happy Haven, Montana, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In October, it is snowing for 3.5 days. Throughout October, 0.94" (24mm) of snow is accumulated. Throughout the year, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 48min.
On the first day of the month, sunrise is at 7:37 am and sunset at 7:15 pm. On the last day of October, sunrise is at 8:22 am and sunset at 6:18 pm MDT.

Sunshine

The average sunshine in October is 6.7h.

UV index

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In October, an average UV index of 2 transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

The average high-temperature, in October, in Happy Haven, is 48.4°F (9.1°C), while the average low-temperature is 30.7°F (-0.7°C).

What is the average humidity in October?

The average relative humidity in October is 75%.

How much does it rain in Happy Haven in October?

In Happy Haven, in October, during 11.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How many days does it snow in October in Happy Haven?

In Happy Haven, during October, snow falls for 3.5 days and regularly aggregates up to 0.94" (24mm) of snow.

What is the average length of the day in October?

In Happy Haven, the average day length in October is 10h and 48min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:37 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 6:18 pm MDT.

How many hours of sunshine does Happy Haven have in October?

The average sunshine duration in October is 6.7h.

How high is the UV index in October?

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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 October
Happy Haven, MT

Average temperature in October - Happy Haven, MT
  • Average high temperature in October: 48.4°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in October: 30.7°F

The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

Average pressure in October
Happy Haven, MT

Average pressure in October - Happy Haven, MT
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Happy Haven, MT

Average wind speed in October - Happy Haven, MT
  • Average wind speed in October: 4mph

The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).

Average humidity in October
Happy Haven, MT

Average humidity in October - Happy Haven, MT
  • Average humidity in October: 75%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).

Average rainfall in October
Happy Haven, MT

Average rainfall in October - Happy Haven, MT
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in October
Happy Haven, MT

Average rainfall days in October - Happy Haven, MT
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in October
Happy Haven, MT

Average snowfall in October - Happy Haven, MT
  • Average snowfall in October: 0.94"

The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Happy Haven, MT

Average snowfall days in October - Happy Haven, MT
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Happy Haven, MT

Average daylight in October / Average sunshine in October - Happy Haven, MT
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in October
Happy Haven, MT

Average sunshine days in October - Happy Haven, MT
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).

Average UV index in October
Happy Haven, MT

Average UV index in October - Happy Haven, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in October
Happy Haven, MT

Average cloud cover in October - Happy Haven, MT
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in October
Happy Haven, MT

Average visibility in October - Happy Haven, MT
  • Average visibility in October: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Happy Haven, Montana, USA

Weather forecast for your location

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