Climate and monthly weather forecastArriba, CO
Climate and monthly weather forecast
Weather in January
January, like December, in Arriba, Colorado, is an icy winter month, with an average temperature ranging between max 41.2°F (5.1°C) and min 23.4°F (-4.8°C). The average high-temperature during January registers at a still cold 41.2°F (5.1°C), maintaining a close resemblance to the previous month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Arriba, Colorado, with an average temperature varying between 41.2°F (5.1°C) and 23.4°F (-4.8°C). With the onset of February, the average high-temperature of a still wintry 41.2°F (5.1°C) mirrors that of January. Weather in February »Weather in March
March, the first month of the spring in Arriba, is a cool month, with an average temperature varying between 53.1°F (11.7°C) and 32.9°F (0.5°C). As February transitions into March, a change in temperatures is observed, with average highs moving from an icy 41.2°F (5.1°C) to a cool 53.1°F (11.7°C). Weather in March »Weather in April
April in Arriba, Colorado, is a mild spring month, with an average temperature fluctuating between 38.3°F (3.5°C) and 59.5°F (15.3°C). In April, the average high-temperature marginally rises from a cool 53.1°F (11.7°C) in March to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Arriba, Colorado, with an average temperature fluctuating between 46.6°F (8.1°C) and 67.8°F (19.9°C). The embrace of May brings a minor uplift in the average high-temperature, shifting from a moderate 59.5°F (15.3°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Arriba, Colorado, with an average temperature fluctuating between 82.4°F (28°C) and 58.6°F (14.8°C). The shift into June is marked by a considerable temperature increase, with the average high-temperature soaring from a refreshing 67.8°F (19.9°C) in May to a moderately hot 82.4°F (28°C). Weather in June »Weather in July
July is a tropical summer month in Arriba, Colorado, with an average temperature ranging between max 86°F (30°C) and min 64°F (17.8°C). July, recording an average high temperature of 86°F (30°C) and a low temperature of 64°F (17.8°C), is Arriba's warmest month. For most parts of July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Arriba, Colorado, with an average temperature ranging between min 61.5°F (16.4°C) and max 84°F (28.9°C). Arriba's August reports an average high-temperature of a warm 84°F (28.9°C), exhibiting a minor difference from July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Arriba, Colorado, with an average temperature fluctuating between 55.8°F (13.2°C) and 76.8°F (24.9°C). September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 84°F (28.9°C) to a still warm 76.8°F (24.9°C). Weather in September »Weather in October
October, like September, in Arriba, Colorado, is another comfortable autumn month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 41.7°F (5.4°C). October's onset witnesses a marked shift in the average high-temperature, moving from a warm 76.8°F (24.9°C) in September to a refreshing 61.2°F (16.2°C). Weather in October »Weather in November
November, the last month of the autumn in Arriba, is also a fresh month, with an average temperature ranging between max 50.5°F (10.3°C) and min 32°F (0°C). November brings a decrease in the average high-temperature, falling from October's enjoyable 61.2°F (16.2°C) to a cool 50.5°F (10.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Arriba, Colorado, with an average temperature varying between 39°F (3.9°C) and 22.3°F (-5.4°C). Arriba experiences its lowest temperatures in December, with an average peak of 39°F (3.9°C) and a low of 22.3°F (-5.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Arriba, CO
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure
Arriba, CO
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.87"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Arriba, CO
- Average wind speed in January:
9.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11.4mph - Average wind speed in April:
12.2mph - Average wind speed in May:
11.2mph - Average wind speed in June:
10.6mph
- Average wind speed in July:
9.5mph - Average wind speed in August:
9.3mph - Average wind speed in September:
9.7mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity
Arriba, CO
The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).
Average rainfall
Arriba, CO
- Average rainfall in January:
0.24" - Average rainfall in February:
0.39" - Average rainfall in March:
0.63" - Average rainfall in April:
0.59" - Average rainfall in May:
1.77" - Average rainfall in June:
1.3"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.14" - Average rainfall in September:
0.55" - Average rainfall in October:
0.63" - Average rainfall in November:
0.28" - Average rainfall in December:
0.2"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days
Arriba, CO
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
5.1 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
11 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
5.4 days - Average rainfall days in November:
1.7 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).
Average snowfall
Arriba, CO
- Average snowfall in January:
1.22" - Average snowfall in February:
1.93" - Average snowfall in March:
1.26" - Average snowfall in April:
1.06" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Arriba, CO
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
6.1 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.8 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:
0.1 days - Average snowfall days in October:
2 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Arriba, CO
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
6h and 54min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 48min - Average sunshine in April:
10h and 42min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days
Arriba, CO
- Average sunshine days in January:
24.8 days - Average sunshine days in February:
20.2 days - Average sunshine days in March:
21.3 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
16 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
22.5 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
24.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Arriba, CO
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Arriba, CO
The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility
Arriba, CO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





