Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The onset of October brings a distinct decrease in the average high-temperature, receding from an enjoyable 67.8°F (19.9°C) in September to a cool 51.1°F (10.6°C). Nighttime temperatures hover around an average low of 33.3°F (0.7°C) in October.Humidity
In Heron, Montana, the average relative humidity in October is 76%.Rainfall
In Heron, in October, during 15.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Heron, there are 161.9 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Heron, Montana. In Heron, during October, snow falls for 1.6 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, in Heron, there are 80.8 snowfall days, and 60" (1524mm) of snow is accumulated.Daylight
The average length of the day in October is 10h and 49min.On the first day of the month, sunrise is at 7:44 am and sunset at 7:22 pm. On the last day of October, in Heron, sunrise is at 8:28 am and sunset at 6:26 pm MDT.
Sunshine
In Heron, Montana, the average sunshine in October is 5.9h.UV index
In Heron, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in October leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are October temperatures in Heron?
What is the average humidity in October in Heron?
How much does it rain in Heron in October?
How much does it snow in Heron in October?
What is the average length of the day in October in Heron?
What time are sunrise and sunset in October in Heron?
How long on average sun shines in October in Heron?
How high is the UV index in October in Heron?
Average temperature in October
Heron, MT
- Average high temperature in October: 51.1°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in October: 33.3°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in October
Heron, MT
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in October
Heron, MT
- Average wind speed in October: 3.8mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in October
Heron, MT
- Average humidity in October: 76%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (52%).
Average rainfall in October
Heron, MT
- Average rainfall in October: 2.48"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in October
Heron, MT
- Average rainfall days in October: 15.6 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in October
Heron, MT
- Average snowfall in October: 0.39"
The month with the highest snowfall is January (15.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Heron, MT
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is December (19.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Heron, 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: 5h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in October
Heron, MT
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in October
Heron, 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
Heron, MT
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in October
Heron, MT
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Heron, Montana, USA
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