Arvada/Blunn Reservoir
About
Arvada/Blunn Reservoir is a park managed by the City of Arvada in Colorado, about 3 miles from the town of Fairmount. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 69°F and September highs around 76°F, while July averages climb to about 87°F. Several trails sit close by. Pattridge Open Space is about 1.3 miles away, and the North Table Loop Trail and Van Bibber Trail are both within about 2.3 miles. Climbers can head to the Sea Cliffs of North Quarry, roughly 3.4 miles off.
Park size
603 acres
Inside this park
Facts about this place
When to go
Best time to go: Apr–Jun. The mildest months here, with typical highs of 60–81°F and lows of 35–55°F.
Typical monthly averages (not a forecast) from the Ralston Rsvr, CO weather station, 1.4 mi away. High / low in °F.
- Jan45° high23° low
- Feb46° high22° low
- Mar54° high29° low
- Apr60° high35° low
- May69° high45° low
- Jun81° high55° low
- Jul87° high61° low
- Aug84° high59° low
- Sep76° high51° low
- Oct64° high39° low
- Nov53° high30° low
- Dec45° high23° low
Where it is
- Arvada/Blunn Reservoir · Public land
- Nearest town
- Fairmount, Colorado · 3 mi
Source: NIFC Jurisdictional Units; USGS GNIS populated places
Nearby
Pattridge Open SpaceHikingPhoto: InSapphoWeTrust from Los Angeles, California, USA, CC BY-SA 2.0 (via Wikimedia Commons)1.3 mi
North Table Loop TrailHikingPhoto: gregor_y, CC BY-SA 2.0 (via Flickr)2.1 mi- Van Bibber TrailHikingPhoto: InSapphoWeTrust from Los Angeles, California, USA, CC BY-SA 2.0 (via Wikimedia Commons)2.3 mi
- Sea Cliffs of North QuarryRock climbing3.4 mi
- North Quarry / Pinnacle AreaRock climbing3.5 mi
- Crater Crag of North QuarryRock climbing3.5 mi
- Sourdough Springs CampgroundCamping4.3 mi
Clear Creek RV ParkCampingPhoto: cogdogblog, CC BY 2.0 (via Wikimedia Commons)5 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Arvada/Blunn Reservoir
Best months: April–June and August–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
45° / 23°
4 wet
Feb
46° / 22°
5 wet
Mar
54° / 29°
6 wet
Apr
60° / 35°
8 wet
May
69° / 45°
9 wet
Jun
81° / 55°
7 wet
Jul
87° / 61°
7 wet
Aug
84° / 59°
8 wet
Sep
76° / 51°
6 wet
Oct
64° / 39°
5 wet
Nov
53° / 30°
4 wet
Dec
45° / 23°
4 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Ralston Rsvr, CO, 1.4 mi away at 5,900 ft. We don't have this place's elevation, so higher spots nearby can run cooler. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
