Climate and monthly weather forecastMackay, ID
Climate and monthly weather forecast
Weather in January
January, the same as December, in Mackay, Idaho, is a freezing cold winter month, with an average temperature ranging between max 26.6°F (-3°C) and min 10°F (-12.2°C). Upon the beginning of January, Mackay's high-temperatures register at a still freezing cold 26.6°F (-3°C), closely mirroring the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Mackay, Idaho, with an average temperature varying between 13.5°F (-10.3°C) and 28.8°F (-1.8°C). Mackay's average high-temperature in February is a still freezing cold 28.8°F (-1.8°C), marking an insignificant difference from the 26.6°F (-3°C) of January. Weather in February »Weather in March
March, the first month of the spring in Mackay, is a wintry month, with an average temperature varying between 23.4°F (-4.8°C) and 37.6°F (3.1°C). As Mackay transitions into March, a marginal rise in the average high-temperature is observed, moving from a subzero cold 28.8°F (-1.8°C) in February to a cold 37.6°F (3.1°C). Weather in March »Weather in April
April in Mackay, Idaho, is a frosty spring month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 31.8°F (-0.1°C). April brings a rise in the average high-temperature, transitioning from March's cold 37.6°F (3.1°C) to a chilly 48.9°F (9.4°C). Weather in April »Weather in May
May, the last month of the spring in Mackay, is a mild month, with an average temperature varying between 59.7°F (15.4°C) and 40.6°F (4.8°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a chilly 48.9°F (9.4°C) to a mild 59.7°F (15.4°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Mackay, Idaho, with an average temperature varying between 70.3°F (21.3°C) and 48°F (8.9°C). The arrival of June signals an increase in the average high-temperature, moving from a mild 59.7°F (15.4°C) in May to a pleasant 70.3°F (21.3°C). Weather in June »Weather in July
July in Mackay, Idaho, is a warm summer month, with an average temperature varying between 81.1°F (27.3°C) and 56.8°F (13.8°C). In Mackay, the month of July registers the highest temperatures, averaging 81.1°F (27.3°C) at the peak and 56.8°F (13.8°C) at the lowest. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Mackay, Idaho, with an average temperature ranging between min 56.5°F (13.6°C) and max 79.3°F (26.3°C). The arrival of August brings an average high-temperature of a still moderately hot 79.3°F (26.3°C), nearly identical to July's 81.1°F (27.3°C). Weather in August »Weather in September
September, the first month of the autumn in Mackay, is still a pleasant month, with an average temperature fluctuating between 69.3°F (20.7°C) and 49.6°F (9.8°C). With September's onset, the average high-temperature recedes from August's warm 79.3°F (26.3°C) to an agreeable 69.3°F (20.7°C). Weather in September »Weather in October
October, like September, in Mackay, Idaho, is another fresh autumn month, with an average temperature fluctuating between 51.8°F (11°C) and 36°F (2.2°C). In Mackay, stepping into October signifies a significant temperature decrement, moving down from September's agreeable 69.3°F (20.7°C) to a fresh 51.8°F (11°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Mackay, Idaho, with an average temperature ranging between max 37°F (2.8°C) and min 23.4°F (-4.8°C). Mackay's transition into November is marked by a clear temperature shift, receding from a fresh 51.8°F (11°C) in October to a cold 37°F (2.8°C). Weather in November »Weather in December
December, the first month of the winter in Mackay, is still a freezing cold month, with temperature in the range of an average low of 11.8°F (-11.2°C) and an average high of 25.3°F (-3.7°C). Mackay's coldest month, December, registers temperatures that range from a high of 25.3°F (-3.7°C) to a low of 11.8°F (-11.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mackay, ID
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (25.3°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure
Mackay, ID
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.9"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:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.26"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Mackay, ID
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.5mph - Average wind speed in April:
7.5mph - Average wind speed in May:
7.5mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
6.8mph - Average wind speed in October:
6.3mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity
Mackay, ID
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall
Mackay, ID
- Average rainfall in January:
0.79" - Average rainfall in February:
0.94" - Average rainfall in March:
1.18" - Average rainfall in April:
1.02" - Average rainfall in May:
1.42" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.59" - Average rainfall in September:
0.71" - Average rainfall in October:
0.79" - Average rainfall in November:
0.79" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Mackay, ID
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
15 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
7.2 days - Average rainfall days in September:
8 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is July (5.9 days).
Average snowfall
Mackay, ID
- Average snowfall in January:
6.46" - Average snowfall in February:
7.2" - Average snowfall in March:
6.54" - Average snowfall in April:
2.44" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Mackay, ID
- Average snowfall days in January:
14.8 days - Average snowfall days in February:
15.1 days - Average snowfall days in March:
11.8 days - Average snowfall days in April:
6.1 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0 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:
2.5 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Mackay, ID
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - 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 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
6h and 18min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 42min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Mackay, ID
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
20.9 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Mackay, ID
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Mackay, ID
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility
Mackay, 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 and February (4mi).





