Johnstown, WY weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Johnstown now
Loading the National Weather Service forecast…
Johnstown weather by the hour
Johnstown weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Johnstown.
This week in Johnstown
Sunrise, sunset and moon in Johnstown
What is the weather usually like in Johnstown?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Decembercoldest month · 10°F average low
- 8.8 inprecipitation per year · 224 mm
- 28.4 insnowfall per year · 72 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Johnstown: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PAVILLION, WY US (USC00487115), adjusted for the elevation of Johnstown.
Johnstown weather month by month
Sunrise and sunset in Johnstown through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:41 AM | 5:06 PM | 9 h 25 min |
| February | 7:10 AM | 5:47 PM | 10 h 37 min |
| March | 7:24 AM | 7:22 PM | 11 h 57 min |
| April | 6:30 AM | 7:58 PM | 13 h 28 min |
| May | 5:49 AM | 8:33 PM | 14 h 44 min |
| June | 5:32 AM | 8:57 PM | 15 h 24 min |
| July | 5:47 AM | 8:53 PM | 15 h 6 min |
| August | 6:19 AM | 8:18 PM | 13 h 59 min |
| September | 6:53 AM | 7:26 PM | 12 h 33 min |
| October | 7:27 AM | 6:33 PM | 11 h 6 min |
| November | 7:06 AM | 4:52 PM | 9 h 46 min |
| December | 7:37 AM | 4:42 PM | 9 h 4 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Johnstown?
Johnstown has a cold semi-arid climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is December, with average lows of 10°F (-12°C).
It gets about 8.8 inches (224 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 28 inches fall in an average year.
The best time to visit Johnstown is June to September. At 5,259 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Johnstown
Weather in towns near Johnstown
Questions about the weather in Johnstown
What is the hottest month in Johnstown?
July, with an average high of 87°F (30°C).
What is the coldest month in Johnstown?
December, with an average low of 10°F (-12°C).
How much does it rain in Johnstown?
About 8.8 inches (224 mm) a year; the wettest month is May.
Does it snow in Johnstown?
Yes, about 28 inches of snow fall in an average year.
When is the best time to visit Johnstown?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Johnstown have?
Cold semi-arid (Köppen BSk).
What is the weather like in Johnstown in November?
Highs average 45°F and lows 20°F, with about 0.4 inches of precipitation.
What time is sunrise in Johnstown?
Around 7:06 AM in mid-November, and sunset around 4:52 PM. Today’s exact times are shown above.
Where does this Johnstown weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Johnstown.
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