Climate and monthly weather forecastLyons, CO
Climate and monthly weather forecast
Weather in January
January, like December, in Lyons, Colorado, is an icy winter month, with an average temperature fluctuating between 19°F (-7.2°C) and 36.7°F (2.6°C). January is marked by an average high-temperature of a still icy 36.7°F (2.6°C), almost identical to the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Lyons, Colorado, with an average temperature varying between 36.1°F (2.3°C) and 17.8°F (-7.9°C). Lyons indicates an average high-temperature of a still icy 36.1°F (2.3°C) in February, showing minor variation from January's 36.7°F (2.6°C). Weather in February »Weather in March
March, the first month of the spring in Lyons, is a chilly month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 46.2°F (7.9°C). As March arrives, a rise in the average high-temperature is observed, moving from a cold 36.1°F (2.3°C) in February to a frosty 46.2°F (7.9°C). Weather in March »Weather in April
April is a fresh spring month in Lyons, Colorado, with an average temperature ranging between max 52.3°F (11.3°C) and min 30°F (-1.1°C). Lyons's April weather indicates a minor ascent in high-temperatures, adjusting from a frosty 46.2°F (7.9°C) in March to a cool 52.3°F (11.3°C). Weather in April »Weather in May
May, the last month of the spring in Lyons, is a comfortable month, with an average temperature fluctuating between 37.9°F (3.3°C) and 61.5°F (16.4°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a cool 52.3°F (11.3°C) in April to a comfortable 61.5°F (16.4°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Lyons, Colorado, with an average temperature varying between 49.6°F (9.8°C) and 76.6°F (24.8°C). The changeover to June signals a significant increase in the average high-temperature, rising from an enjoyable 61.5°F (16.4°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Lyons, Colorado, with an average temperature ranging between min 54.5°F (12.5°C) and max 80.6°F (27°C). July proves to be the warmest month, recording an average peak temperature of 80.6°F (27°C) and a minimum temperature of 54.5°F (12.5°C). Throughout July, the heat index is estimated at 80.6°F (27°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Lyons, Colorado, with an average temperature varying between 79.5°F (26.4°C) and 53.2°F (11.8°C). August's onset records an average high-temperature of a still moderately hot 79.5°F (26.4°C), a near match to July's 80.6°F (27°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Lyons, Colorado, with an average temperature varying between 72.5°F (22.5°C) and 47.3°F (8.5°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 79.5°F (26.4°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Lyons, Colorado, with an average temperature varying between 56.8°F (13.8°C) and 34.9°F (1.6°C). The shift into October is marked by a considerable temperature decrease, with the average high-temperature dropping from an agreeable 72.5°F (22.5°C) in September to a refreshing 56.8°F (13.8°C). Weather in October »Weather in November
November, the last month of the autumn in Lyons, is another chilly month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 45.7°F (7.6°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 56.8°F (13.8°C) in October to a frosty 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Lyons, Colorado, with an average temperature ranging between max 35.4°F (1.9°C) and min 17.6°F (-8°C). Lyons reaches its lowest average temperatures in December, measuring 35.4°F (1.9°C) at the peak and 17.6°F (-8°C) at the lowest. Weather in December »Updated: Jun 9, 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 month with the least rainfall is January, when the rain falls for 5.4 days and typically collects 0.55" (14mm) of precipitation.
In Lyons, during the entire year, the rain falls for 134.2 days and collects up to 17.13" (435mm) of precipitation.
January through May, October through December are months with snowfall.
In Lyons, during the entire year, snow falls for 53.5 days and aggregates up to 42.36" (1076mm) of snow.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 71%.
With an average of 6.6h of sunshine, February has the least sunshine of the year.
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 month with the most snowfall in Lyons is April, when snow falls for 5.8 days and typically aggregates up to 8.39" (213mm) of snow.
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 2.72" (69mm) of precipitation.
The months with the lowest humidity are June, August and September, with an average relative humidity of 46%.
June through September are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year.
The months with the most sunshine are June and July, with an average of 11.7h of sunshine.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
Lyons's warmest weather arrives in July, when temperatures average a high of 80.6°F (27°C) and a low of 54.5°F (12.5°C).
December stands out as Lyons's coldest month, with temperatures ranging between an average high of 35.4°F (1.9°C) and a low of 17.6°F (-8°C).
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Lyons, CO
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is December (35.4°F).
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is December (17.6°F).
Average pressure
Lyons, CO
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed
Lyons, CO
- Average wind speed in January:
7.3mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.8mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Lyons, CO
The month with the highest relative humidity is February (71%).
The months with the lowest relative humidity are June, August and September (46%).
Average rainfall
Lyons, CO
- Average rainfall in January:
0.55" - Average rainfall in February:
0.94" - Average rainfall in March:
1.26" - Average rainfall in April:
1.85" - Average rainfall in May:
2.72" - Average rainfall in June:
1.85"
- Average rainfall in July:
2.68" - Average rainfall in August:
1.73" - Average rainfall in September:
1.22" - Average rainfall in October:
0.98" - Average rainfall in November:
0.75" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Lyons, CO
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
20.4 days - Average rainfall days in August:
18.4 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.6 days).
Average snowfall
Lyons, CO
- Average snowfall in January:
4.02" - Average snowfall in February:
7.24" - Average snowfall in March:
7.17" - Average snowfall in April:
8.39" - Average snowfall in May:
2.09" - Average snowfall in June:
0"
The month with the highest snowfall is April (8.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lyons, CO
- Average snowfall days in January:
9 days - Average snowfall days in February:
11 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
1.9 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:
2.8 days - Average snowfall days in November:
6.2 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Lyons, CO
- Average daylight in January:
9h and 42min - 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 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 48min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
10h and 54min - Average sunshine in October:
7h and 18min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days
Lyons, CO
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index
Lyons, CO
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Lyons, CO
The months with the most cloud cover are April and May (Cloud cover 28).
The months with the least cloud cover are June and September (Cloud cover 17).
Average visibility
Lyons, 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).
