Riverside, CO
Unincorporated community in Boulder County, Colorado
Riverside is a small unincorporated community in Boulder County, Colorado. It is 4.0 miles S of Bar-K Ranch, the nearest town. Its ZIP code is 80540.
Riverside at a glance
- State
- Colorado
- County
- Boulder County
- ZIP code
- 80540
- Nearest town
- Bar-K Ranch (4.0 mi)
- Time zone
- America/Denver
- Coordinates
- 40.1756, -105.4367
Weather in Riverside now
Loading the National Weather Service forecast…
Riverside weather by the hour
Riverside weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Riverside.
This week in Riverside
Sunrise, sunset and moon in Riverside
What is the weather usually like in Riverside?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 74°F average high
- Januarycoldest month · 14°F average low
- 22.9 inprecipitation per year · 581 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Riverside: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ALLENSPARK 3NW, CO US (USC00050185), adjusted for the elevation of Riverside.
Riverside weather month by month
Sunrise and sunset in Riverside through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 5:02 PM | 9 h 41 min |
| February | 6:52 AM | 5:38 PM | 10 h 45 min |
| March | 7:11 AM | 7:09 PM | 11 h 58 min |
| April | 6:21 AM | 7:41 PM | 13 h 20 min |
| May | 5:44 AM | 8:12 PM | 14 h 28 min |
| June | 5:30 AM | 8:34 PM | 15 h 4 min |
| July | 5:43 AM | 8:31 PM | 14 h 47 min |
| August | 6:12 AM | 8:00 PM | 13 h 48 min |
| September | 6:41 AM | 7:12 PM | 12 h 30 min |
| October | 7:11 AM | 6:23 PM | 11 h 12 min |
| November | 6:46 AM | 4:46 PM | 10 h 0 min |
| December | 7:15 AM | 4:38 PM | 9 h 22 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Riverside?
Riverside has a warm-summer humid continental climate. The warmest month is July, with an average high of 74°F (24°C), and the coldest is January, with average lows of 14°F (-10°C).
It gets about 22.9 inches (581 mm) of precipitation a year. The wettest month is April and the driest is January.
The best time to visit Riverside is June to September. 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.
Webcams near Riverside
The closest live webcam is Ward: Peak to Peak Highway Webcam Near - by CDOT, 8.0 miles SW of Riverside.
Webcams: Windy.com. Distances in a straight line from Riverside.
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Map of Riverside, CO
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Riverside Street View
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Open in Google Maps ›Towns near Riverside
Other communities near Riverside
Questions about Riverside
Where is Riverside, CO?
Riverside is an unincorporated community in Boulder County, Colorado, 4.0 miles S of Bar-K Ranch.
What county is Riverside in?
Riverside is in Boulder County, Colorado.
What is the ZIP code of Riverside, CO?
The ZIP code for Riverside is 80540.
What is the nearest town to Riverside?
Bar-K Ranch, 4.0 miles away.
Are there webcams near Riverside?
Yes. The closest is Ward: Peak to Peak Highway Webcam Near - by CDOT, 8.0 miles away.
What is the hottest month in Riverside?
July, with an average high of 74°F (24°C).
What is the coldest month in Riverside?
January, with an average low of 14°F (-10°C).
How much does it rain in Riverside?
About 22.9 inches (581 mm) a year; the wettest month is April.
Does it snow in Riverside?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Riverside?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Riverside have?
Warm-summer humid continental (Köppen Dfb).
Last updated: