Climate and monthly weather forecastHilliard, WY
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Hilliard, Wyoming, with an average temperature ranging between max 27.7°F (-2.4°C) and min 10.8°F (-11.8°C). A minimal variation is noted in Hilliard's average high-temperature at the onset of January, reaching a still subzero cold 27.7°F (-2.4°C) from December's 26.4°F (-3.1°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Hilliard, Wyoming, with an average temperature fluctuating between 13.3°F (-10.4°C) and 28.8°F (-1.8°C). The arrival of February coincides with an average high-temperature of a still freezing cold 28.8°F (-1.8°C), indicating a minimal shift from January's 27.7°F (-2.4°C). Weather in February »Weather in March
March, the first month of the spring in Hilliard, is a wintry month, with an average temperature fluctuating between 35.4°F (1.9°C) and 20.7°F (-6.3°C). With the onset of March, Hilliard's average high-temperature experiences a slight rise, moving from February's freezing cold 28.8°F (-1.8°C) to an icy 35.4°F (1.9°C). Weather in March »Weather in April
April is a frosty spring month in Hilliard, Wyoming, with an average temperature varying between 44.6°F (7°C) and 27.3°F (-2.6°C). April witnesses an increase in the average high-temperature, moving from a wintry 35.4°F (1.9°C) in March to a chilly 44.6°F (7°C). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Hilliard, Wyoming, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 35.4°F (1.9°C). May shows a rise in the average high-temperature, moving from April's frosty 44.6°F (7°C) to a refreshing 56.7°F (13.7°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Hilliard, Wyoming, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 43.5°F (6.4°C). The start of June brings a rise in the average high-temperature, moving from a moderate 56.7°F (13.7°C) in May to a pleasant 70.2°F (21.2°C). Weather in June »Weather in July
July in Hilliard, Wyoming, is a moderately hot summer month, with an average temperature ranging between min 51.6°F (10.9°C) and max 79.2°F (26.2°C). July is the warmest month of the year, registering average temperatures as high as 79.2°F (26.2°C) and as low as 51.6°F (10.9°C). Weather in July »Weather in August
August, the last month of the summer in Hilliard, is another warm month, with an average temperature ranging between max 77.5°F (25.3°C) and min 51.4°F (10.8°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still moderately hot 77.5°F (25.3°C) from July's 79.2°F (26.2°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Hilliard, Wyoming, with an average temperature fluctuating between 68.5°F (20.3°C) and 45°F (7.2°C). In the transition to September, Hilliard observes a drop in the average high-temperature, moving from a warm 77.5°F (25.3°C) in August to an agreeable 68.5°F (20.3°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Hilliard, Wyoming, with an average temperature ranging between max 51.8°F (11°C) and min 32.9°F (0.5°C). As Hilliard welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's pleasant 68.5°F (20.3°C) to a fresh 51.8°F (11°C). Weather in October »Weather in November
November, the last month of the autumn in Hilliard, is another cold month, with an average temperature fluctuating between 38.8°F (3.8°C) and 22.1°F (-5.5°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's fresh 51.8°F (11°C) to a cold 38.8°F (3.8°C). Weather in November »Weather in December
December, the first month of the winter in Hilliard, is still a freezing cold month, with an average temperature ranging between max 26.4°F (-3.1°C) and min 10.9°F (-11.7°C). Temperature readings reach their annual highs in December, averaging 26.4°F (-3.1°C) and a minimum average of 10.9°F (-11.7°C). Weather in December »Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the highest humidity are January and February, with an average relative humidity of 87%.
In Hilliard, during the entire year, the rain falls for 94.2 days and collects up to 11.5" (292mm) of precipitation.
Months with snowfall are January through June, September through December.
Throughout the year, there are 99.3 snowfall days, and 56.22" (1428mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 5.8h of sunshine.
March is the month with the most snowfall. Snow falls for 15.9 days and accumulates 10" (254mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
The months with the most rainfall are April and May, with an average 1.38" (35mm) of precipitation.
The month with the longest days is June, with an average of 15h and 6min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
July is the warmest month, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 51.6°F (10.9°C).
In Hilliard, snow does not fall in July and August.
The least humid month is August, with an average relative humidity of 39%.
The month with the least rainfall is August, when the rain falls for 7.3 days and typically collects 0.51" (13mm) of precipitation.
August has the most sunshine of the year, with an average of 12h of sunshine.
The months with the lowest UV index are November and December, with an average maximum UV index of 1.
With an average high-temperature of 26.4°F (-3.1°C) and an average low-temperature of 10.9°F (-11.7°C), December is the coldest month.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Hilliard, WY
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Hilliard, WY
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.24"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Hilliard, WY
- Average wind speed in January:
7mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.5mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
7mph - Average wind speed in September:
7.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
7.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity
Hilliard, WY
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Hilliard, WY
- Average rainfall in January:
0.94" - Average rainfall in February:
1.1" - Average rainfall in March:
1.34" - Average rainfall in April:
1.38" - Average rainfall in May:
1.38" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.51" - Average rainfall in September:
0.71" - Average rainfall in October:
0.83" - Average rainfall in November:
0.83" - Average rainfall in December:
1.14"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days
Hilliard, WY
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
7.6 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
8 days - Average rainfall days in October:
5.8 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Hilliard, WY
- Average snowfall in January:
7.36" - Average snowfall in February:
7.72" - Average snowfall in March:
10" - Average snowfall in April:
8.03" - Average snowfall in May:
3.11" - Average snowfall in June:
0.91"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days
Hilliard, WY
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
15.9 days - Average snowfall days in April:
12.7 days - Average snowfall days in May:
5.8 days - Average snowfall days in June:
1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.1 days - Average snowfall days in October:
5.5 days - Average snowfall days in November:
11.2 days - Average snowfall days in December:
15.5 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Hilliard, WY
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 48min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 18min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days
Hilliard, WY
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
11.4 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
19.5 days
- Average sunshine days in July:
17.3 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
17 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index
Hilliard, WY
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover
Hilliard, WY
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility
Hilliard, WY
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
