Blue Blossom - DH – Weather Forecast
San Gregorio, California, US
This page shows a route-based weather forecast for the Blue Blossom - DH cycling climb in San Gregorio, California, US. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Blue Blossom - DH
Plan Your Ride
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
→ Original Direction
← Reversed Direction
Creates a new saved route in the reversed direction
Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Mon 07 Sep 05:55
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 13°C | 2°C | 27 | 8.5h | 4 | 18 mm | 75 % | 2 | 9h 56m |
| Feb | 13°C | 4°C | 20 | 7.3h | 13 | 147 mm | 73 % | 3 | 10h 50m |
| Mar | 13°C | 4°C | 26 | 9.5h | 17 | 122 mm | 70 % | 4 | 11h 59m |
| Apr | 16°C | 4°C | 29 | 11.2h | 8 | 38 mm | 68 % | 5 | 13h 11m |
| May | 19°C | 6°C | 31 | 13.2h | 4 | 7 mm | 65 % | 6 | 14h 12m |
| Jun | 20°C | 7°C | 30 | 13.8h | 0 | 0 mm | 67 % | 7 | 14h 41m |
| Jul | 21°C | 9°C | 31 | 13.1h | 1 | 0 mm | 66 % | 8 | 14h 25m |
| Aug | 24°C | 10°C | 30 | 12.5h | 1 | 2 mm | 68 % | 7 | 13h 32m |
| Sep | 24°C | 12°C | 28 | 10.7h | 7 | 8 mm | 70 % | 5 | 12h 23m |
| Oct | 19°C | 8°C | 27 | 9.3h | 10 | 46 mm | 72 % | 4 | 11h 11m |
| Nov | 16°C | 7°C | 24 | 7.9h | 9 | 121 mm | 76 % | 2 | 10h 9m |
| Dec | 14°C | 5°C | 23 | 7.1h | 10 | 117 mm | 77 % | 2 | 9h 38m |