Climate and monthly weather forecastEssex, MT
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Essex, Montana, with temperature in the range of an average low of 13.3°F (-10.4°C) and an average high of 25.5°F (-3.6°C). With the onset of January, the average high-temperature registers at a still subzero cold 25.5°F (-3.6°C), subtly different from December's 23.2°F (-4.9°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Essex, Montana, with temperature in the range of an average low of 10.9°F (-11.7°C) and an average high of 25°F (-3.9°C). Essex experiences an average high-temperature of a still subzero cold 25°F (-3.9°C) with the onset of February, subtly varied from January's 25.5°F (-3.6°C). Weather in February »Weather in March
March, the first month of the spring in Essex, is an icy month, with an average temperature ranging between min 19.2°F (-7.1°C) and max 33.1°F (0.6°C). Observing a slight rise in March, the average high-temperature shifts from February's freezing cold 25°F (-3.9°C) to a wintry 33.1°F (0.6°C). Weather in March »Weather in April
April, the same as March, is an icy spring month in Essex, Montana, with an average temperature fluctuating between 24.4°F (-4.2°C) and 41.4°F (5.2°C). The start of April brings a subtle shift in the average high-temperature, edging up from March's cold 33.1°F (0.6°C) to a still icy 41.4°F (5.2°C). Weather in April »Weather in May
May, the last month of the spring in Essex, is a fresh month, with an average temperature fluctuating between 32.4°F (0.2°C) and 53.4°F (11.9°C). The onset of May marks an increase in the average high-temperature, moving from a cold 41.4°F (5.2°C) in April to a cool 53.4°F (11.9°C). Weather in May »Weather in June
June, the first month of the summer in Essex, is an enjoyable month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 61.9°F (16.6°C). The beginning of June marks a minor shift in the average high-temperature, moving from May's cool 53.4°F (11.9°C) to a comfortable 61.9°F (16.6°C). Weather in June »Weather in July
July in Essex, Montana, is a pleasant summer month, with an average temperature ranging between max 73°F (22.8°C) and min 44.2°F (6.8°C). With average high temperatures of 73°F (22.8°C) and lows of 44.2°F (6.8°C), July is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Essex, is also an agreeable month, with an average temperature fluctuating between 44.2°F (6.8°C) and 72°F (22.2°C). In Essex, August's average high-temperature stands at a still agreeable 72°F (22.2°C), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Essex, Montana, with an average temperature fluctuating between 37.8°F (3.2°C) and 61°F (16.1°C). The commencement of September involves a temperature shift, with the average high-temperature dropping from a pleasant 72°F (22.2°C) in August to a refreshing 61°F (16.1°C). Weather in September »Weather in October
October, like September, is another chilly autumn month in Essex, Montana, with an average temperature ranging between min 28.6°F (-1.9°C) and max 44.8°F (7.1°C). Essex's October weather is characterized by a distinct downswing in high-temperatures, falling from September's refreshing 61°F (16.1°C) to a chilly 44.8°F (7.1°C). Weather in October »Weather in November
November, the last month of the autumn in Essex, is also a subzero cold month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 31.5°F (-0.3°C). Onset of November comes with a temperature decline, the average high falling from a frosty 44.8°F (7.1°C) in October to a subzero cold 31.5°F (-0.3°C). Weather in November »Weather in December
December, the first month of the winter in Essex, is still a freezing cold month, with temperature in the range of an average low of 11.3°F (-11.5°C) and an average high of 23.2°F (-4.9°C). Essex's December weather, with an average high temperature of 23.2°F (-4.9°C) and an average low temperature of 11.3°F (-11.5°C), tends to be the coldest of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Essex, MT
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (23.2°F).
The months with the highest average low temperature are July and August (44.2°F).
The coldest month (with the lowest average low temperature) is February (10.9°F).
Average pressure
Essex, MT
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Essex, MT
- Average wind speed in January:
6.9mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.3mph - Average wind speed in November:
7mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is November (7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Essex, MT
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (56%).
Average rainfall
Essex, MT
- Average rainfall in January:
2.56" - Average rainfall in February:
2.05" - Average rainfall in March:
1.93" - Average rainfall in April:
1.73" - Average rainfall in May:
2.01" - Average rainfall in June:
2.09"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.71" - Average rainfall in September:
0.87" - Average rainfall in October:
1.73" - Average rainfall in November:
1.81" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is August (0.71").
Average rainfall days
Essex, MT
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
11 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
8.7 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Essex, MT
- Average snowfall in January:
20.16" - Average snowfall in February:
14.96" - Average snowfall in March:
11.85" - Average snowfall in April:
7.76" - Average snowfall in May:
2.32" - Average snowfall in June:
0.04"
The month with the highest snowfall is January (20.16").
The months with the least snowfall are July and August (0").
Average snowfall days
Essex, MT
- Average snowfall days in January:
22.3 days - Average snowfall days in February:
21.3 days - Average snowfall days in March:
19.6 days - Average snowfall days in April:
12.9 days - Average snowfall days in May:
4 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.2 days - Average snowfall days in October:
7.3 days - Average snowfall days in November:
17 days - Average snowfall days in December:
22.8 days
The month with the highest number of snowfall days is December (22.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Essex, MT
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
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 January:
3h and 6min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 6min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Essex, MT
- Average sunshine days in January:
8.8 days - Average sunshine days in February:
7.2 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
19.4 days - Average sunshine days in August:
19.6 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
8 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is February (7.2 days).
Average UV index
Essex, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Essex, MT
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility
Essex, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





