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Keystone in April

Cool and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Keystone is cool: highs near 55°F, lows near 31°F. Rain or snow falls on about three days a week, and the days lengthen by 1 hour 2 minutes from the first week to the last.April in Keystone is cool: highs near 13°C, lows near -1°C. Rain or snow falls on about three days a week, and the days lengthen by 1 hour 2 minutes from the first week to the last.

High
55°F13°Caverage
Low
31°F-1°Caverage
Wet days
3a week · 42% of days
Daylight
13h 24mon average

Is April a good time to visit Keystone?

April sits outside Keystone's best months, which run from September. Expect cool days and rain or snow on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How April sits in the year

week by week

Temperature

Highs near 55°F in April, against 38°F to 84°F through the year.Highs near 13°C in April, against 3°C to 29°C through the year.

Chance of a wet day

42% of days in April, against 16% to 57% through the year.

Cloud cover

54% cover in April, against 27% to 54% through the year.

Daylight

13h 24m in April, against 8h 57m to 15h 25m through the year.

Week by week, lightly smoothed, with April shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. March47°8°low 23°low -5°2 wet days a weekRain on about two days a week.
  2. April55°13°low 31°low -1°3 wet days a weekRain on about three days a week.
  3. May64°18°low 41°low 5°4 wet days a weekRain on about four days a week.

Where Keystone sits, in April

America/Denver
this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
6:12 AMsets 7:36 PM
Above the sea
1,430 mupland
Latitude
43.9°Nnorthern hemisphere
Nearest of ours
Saratoga386 km south-west

The land around Keystone, shaded by its typical high in April, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in April

high · low · wet days
See April on the planning mapThe whole year in Keystone

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Keystone. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.