Climate and monthly weather forecastRockland, ID
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rockland, Idaho, is a freezing cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 18°F (-7.8°C). January's arrival shows an average high-temperature of a still subzero cold 29.7°F (-1.3°C), hardly different from the previous month. Weather in January »Weather in February
The last month of the winter, February, is an icy month in Rockland, Idaho, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C). February's arrival brings an average high-temperature of a wintry 33.4°F (0.8°C), slightly deviating from January's 29.7°F (-1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Rockland, Idaho, with an average temperature ranging between max 44.2°F (6.8°C) and min 30°F (-1.1°C). In Rockland, the average high-temperature in March rises, from a wintry 33.4°F (0.8°C) in February, to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April in Rockland, Idaho, is a cool spring month, with an average temperature varying between 35.4°F (1.9°C) and 53.4°F (11.9°C). With the beginning of April, Rockland's average high-temperature sees an increase, transitioning from a chilly 44.2°F (6.8°C) in March to a cool 53.4°F (11.9°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Rockland, Idaho, with an average temperature ranging between min 42.4°F (5.8°C) and max 64°F (17.8°C). With the onset of May, the average high-temperature slightly shifts from April's fresh 53.4°F (11.9°C) to an enjoyable 64°F (17.8°C). Weather in May »Weather in June
June, the first month of the summer in Rockland, is a warm month, with an average temperature varying between 49.3°F (9.6°C) and 74.7°F (23.7°C). June's onset brings a temperature rise, moving from a refreshing 64°F (17.8°C) in May to a warm 74.7°F (23.7°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Rockland, Idaho, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 85.8°F (29.9°C). July, having an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 57.7°F (14.3°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rockland, Idaho, with an average temperature varying between 84.4°F (29.1°C) and 58.5°F (14.7°C). As Rockland welcomes August, the average high-temperature stabilizes at a still warm 84.4°F (29.1°C), showing little deviation from July's 85.8°F (29.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Rockland, Idaho, with an average temperature fluctuating between 51.8°F (11°C) and 73.9°F (23.3°C). Onset of September witnesses a reduction in the average high-temperature, falling from a warm 84.4°F (29.1°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Rockland, Idaho, with an average temperature ranging between min 39°F (3.9°C) and max 56.3°F (13.5°C). The shift into October is characterized by a noticeable reduction in the average high-temperature, decreasing from September's warm 73.9°F (23.3°C) to a refreshing 56.3°F (13.5°C). Weather in October »Weather in November
November, the last month of the autumn in Rockland, is also a wintry month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 42.6°F (5.9°C). With November's onset, the weather shows a temperature decrease, transitioning from a moderate 56.3°F (13.5°C) in October to a wintry 42.6°F (5.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Rockland, Idaho, with an average temperature ranging between min 18°F (-7.8°C) and max 29.3°F (-1.5°C). Rockland's temperature records reveal December as the coldest month, marked by average highs of 29.3°F (-1.5°C) and lows of 18°F (-7.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rockland, ID
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (29.3°F).
The month with the highest average low temperature is August (58.5°F).
The coldest months (with the lowest average low temperature) are January and December (18°F).
Average pressure
Rockland, ID
- Average pressure in January:
30.3"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.26"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Rockland, ID
- Average wind speed in January:
7mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
7.4mph - Average wind speed in August:
7.3mph - Average wind speed in September:
7.6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are January and December (7mph).
Average humidity
Rockland, ID
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall
Rockland, ID
- Average rainfall in January:
1.1" - Average rainfall in February:
1.02" - Average rainfall in March:
1.18" - Average rainfall in April:
0.91" - Average rainfall in May:
1.1" - Average rainfall in June:
0.79"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.63" - Average rainfall in September:
0.75" - Average rainfall in October:
0.75" - Average rainfall in November:
0.75" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days
Rockland, ID
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
11.6 days - Average rainfall days in June:
9 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
8.3 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
8.2 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Rockland, ID
- Average snowfall in January:
7.2" - Average snowfall in February:
5.31" - Average snowfall in March:
3.35" - Average snowfall in April:
0.63" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Rockland, ID
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
6.8 days - Average snowfall days in December:
13.7 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Rockland, ID
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 18min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
6h and 0min - Average sunshine in March:
8h and 0min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 48min - Average sunshine in October:
7h and 36min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 12min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Rockland, ID
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
14 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
17.3 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
19.3 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (12.4 days).
Average UV index
Rockland, ID
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Rockland, ID
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Rockland, ID
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





