Claremont weather by month
Claremont, located in the foothills of the Sierra Nevada, enjoys a temperate Mediterranean climate. Whether you’re planning a visit, moving to the area, or simply curious about the local weather patterns, this guide breaks down what to expect each month, along with a detailed climate table, FAQs, and helpful resources.
January
The coolest month in Claremont, January sees mild days and chilly nights.
- Average High: 48 °F (9 °C)
- Average Low: 34 °F (1 °C)
- Precipitation: 2.4 inches (≈61 mm), mostly in the form of light rain and occasional snowfall in the surrounding mountains.
Snow is uncommon in the town itself but could surface in earlier winter weeks. A light down jacket is recommended for evenings.
February
Weather starts to warm up a bit, yet rain still stays in play.
- Avg High: 51 °F (11 °C)
- Avg Low: 36 °F (2 °C)
- Rainfall: 2.1 inches (≈53 mm)
It’s still wise to carry an umbrella and keep an eye on the weather forecast, particularly for early‑week showers.
March
Spring arrives with milder temperatures and the first signs of green.
- Avg High: 57 °F (14 °C)
- Avg Low: 42 °F (6 °C)
- Rainfall: 1.8 inches (≈46 mm)
March offers a transition from winter’s chill to the warmth of summer, making it a pleasant time for outdoor walks.
April
April sees steady warming and blooming landscapes.
- Avg High: 64 °F (18 °C)
- Avg Low: 48 °F (9 °C)
- Rainfall: 1.7 inches (≈43 mm)
The probability of rain begins to decline, but occasional showers can still surprise visitors.
May
Spring’s peak, with comfortable temperatures and low precipitation.
- Avg High: 72 °F (22 °C)
- Avg Low: 54 °F (12 °C)
- Rainfall: 1.1 inches (≈28 mm)
May is ideal for hiking, picnicking, and exploring the local vineyards. A light jacket should cover you for cooler evenings.
June
First signs of summer, with higher temperatures and very little rain.
- Avg High: 79 °F (26 °C)
- Avg Low: 61 °F (16 °C)
- Rainfall: 0.3 inches (≈8 mm)
June brings plenty of sunshine, making it a popular month for outdoor festivals and events.
July
The hottest month, perfect for sunny days and clear skies.
- Avg High: 84 °F (29 °C)
- Avg Low: 66 °F (19 °C)
- Rainfall: 0.1 inches (≈2 mm)
July is the peak of the tourist season. Plan for early‑morning or late‑afternoon activities to avoid the midday heat.
August
Heat remains high, but temperatures shift gradually down after July.
- Avg High: 83 °F (28 °C)
- Avg Low: 65 °F (18 °C)
- Rainfall: 0.2 inches (≈5 mm)
The July heat is still prevalent, but you’ll likely notice cooler evenings.
September
Early autumn brings pleasant temperatures and light evenings.
- Avg High: 78 °F (26 °C)
- Avg Low: 60 °F (16 °C)
- Rainfall: 0.3 inches (≈8 mm)
September is a great time for wine tasting tours as harvest begins.
October
Cooler days and crisp nights define this month.
- Avg High: 69 °F (21 °C)
- Avg Low: 47 °F (8 °C)
- Rainfall: 0.7 inches (≈18 mm)
October’s mild weather is ideal for hiking, though mornings can be chilly.
November
The first real drop in temperatures, with more cloud cover.
- Avg High: 56 °F (13 °C)
- Avg Low: 34 °F (1 °C)
- Rainfall: 1.9 inches (≈48 mm)
Late‑November begins to get wet again, so plan for some indoor activities.
December
Winter settles in with cooler temperatures and increased precipitation.
- Avg High: 48 °F (9 °C)
- Avg Low: 33 °F (0 °C)
- Rainfall: 2.2 inches (≈56 mm)
Snow remains unlikely in the town but surrounding peaks can receive early‑winter snowfall.
Claremont Weather by Month (Table)
| Month | Avg High (°F) | Avg Low (°F) | Avg Precip. (in) |
|---|---|---|---|
| January | 48 | 34 | 2.4 |
| February | 51 | 36 | 2.1 |
| March | 57 | 42 | 1.8 |
| April | 64 | 48 | 1.7 |
| May | 72 | 54 | 1.1 |
| June | 79 | 61 | 0.3 |
| July | 84 | 66 | 0.1 |
| August | 83 | 65 | 0.2 |
| September | 78 | 60 | 0.3 |
| October | 69 | 47 | 0.7 |
| November | 56 | 34 | 1.9 |
| December | 48 | 33 | 2.2 |
Source: National Oceanic and Atmospheric Administration (NOAA).
Frequently Asked Questions (FAQ)
Q1: What is the best time of year to visit Claremont for outdoor activities?
A1: March through May and September through October offer mild temperatures and low rainfall, ideal for hiking, biking, and wine tours.
Q2: Is there a significant risk of snow in Claremont itself?
A2: Snow in the town is rare; however, snowfall can occur in the surrounding Sierra Nevada mountains during December and January.
Q3: Do I need a heavy jacket in summer?
A3: While July and August are warm during the day (mid‑80s°F), evenings can be cooler (mid‑60s°F). A light jacket is sufficient.
Q4: How frequent are rain events in the summer months?
A4: Rainfall is minimal after early June, with averages below 0.5 inches per month.
Q5: Does Claremont experience severe weather (storms, hurricanes, etc.)?
A5: Claremont rarely experiences extreme weather. Occasional thunderstorms may happen in late summer, but no hurricanes or tornadoes are common.
Resources
- NOAA Climate Data Online – Detailed temperature and precipitation records for Claremont and surrounding regions.
- California Department of Transportation – California Weather Page – Current weather updates and alerts for the Central Valley.
- Claremont Chamber of Commerce – Visitor guides, event calendars, and travel tips.
- Visit Claremont, CA – Official tourism site with seasonal attractions and outdoor activity recommendations.
- Weather Underground – Claremont Forecast – Hourly, daily, and 10‑day forecasts with historical weather charts.
Feel free to explore these resources for more in‑depth information, or plan your visit knowing exactly what to expect from Claremont’s climate each month. Happy travels!
