Whittier weather by month

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Planning Your Visit: A Month-by-Month Guide to Whittier, California Weather

Whittier, California, nestled in the foothills of the San Gabriel Mountains, boasts a wonderfully mild and sunny climate year-round. However, “mild” doesn’t mean unchanging. Understanding Whittier’s weather patterns by month can be crucial to planning the perfect trip, whether you’re hiking in the hills, enjoying a local event, or simply relaxing in this charming city. This guide provides a comprehensive overview to help you pack appropriately and make the most of your time in Whittier.

#ff6900 Whittier’s Yearly Weather Overview

Whittier enjoys a Mediterranean climate characterized by warm, dry summers and mild, wetter winters. Temperatures rarely reach extremes, making it a pleasant destination throughout the year. The city generally benefits from the marine layer, a phenomenon bringing coastal fog and cooler temperatures, particularly in the mornings during the summer months. This generally burns off by midday, leaving behind sunshine. Rainfall is concentrated between November and March, with summers typically experiencing very little precipitation.

#ff6900 January: Cool Mornings & Potential Rain

January in Whittier is typically the coolest month. Expect average high temperatures around 63°F (17°C) and lows around 46°F (8°C). Rainfall is common, averaging around 2.4 inches throughout the month. This is a good time for hiking if you don’t mind a bit of mud, and the quieter season can offer benefits for those seeking a more relaxed experience. Pack layers, a waterproof jacket, and comfortable walking shoes.

#ff6900 February: Similar to January, with a Slight Warm-Up

February continues the trend of cool, potentially wet weather. Average highs climb slightly to 65°F (18°C), while lows remain around 47°F (8°C). Rainfall is still likely, with an average of 2.3 inches. The hillsides start to show signs of spring growth, offering scenic beauty. Similar clothing recommendations apply as for January.

#ff6900 March: The Beginning of Spring

March marks a noticeable shift towards warmer, drier weather. Average highs reach 68°F (20°C) and lows settle around 49°F (9°C). Rainfall begins to decrease, averaging about 1.8 inches. Wildflowers start to bloom in the surrounding hills making it an ideal time for outdoor activities. A light jacket is still advisable for evenings.

#ff6900 April: Pleasant Temperatures & Sunshine

April is a truly pleasant time to visit Whittier. Average high temperatures are around 72°F (22°C) and lows around 52°F (11°C). Rainfall is significantly reduced, averaging just 0.8 inches. This month is perfect for exploring the city’s parks, gardens, and hiking trails. Pack light layers and sunscreen.

#ff6900 May: Warm Days & Comfortable Evenings

May brings warm, sunny days. Average high temperatures climb to 77°F (25°C) and lows are comfortable around 56°F (13°C). Rainfall is minimal, typically less than 0.4 inches. Outdoor events and festivals are plentiful as the weather warms up. Shorts, t-shirts, and a light sweater for evenings will suffice.

#ff6900 June: Officially Summer: Warm & Dry

June signals the beginning of summer in Whittier. Average highs reach 82°F (28°C) and lows stay around 60°F (16°C). Rainfall is virtually non-existent. The marine layer can be present in the mornings, providing a cooler start to the day. Light, breathable clothing, sunscreen, and a hat are essential.

#ff6900 July & August: Hotter Temperatures & Peak Sunshine

July and August are the hottest months in Whittier, with average highs around 85°F (29°C) and lows of 63°F (17°C). While temperatures can occasionally climb higher, the dry heat is generally comfortable. The marine layer is still a factor, particularly in July, offering relief from the heat. Stay hydrated and wear sun protection.

#ff6900 September: Warm Days with a Hint of Fall

September offers a beautiful transition to fall. Average highs are around 81°F (27°C), slowly decreasing, and lows are around 62°F (17°C). The humidity drops, and the evenings become pleasantly cool. A fantastic month for outdoor activities with comfortable temperatures.

#ff6900 October: Mild & Sunny – Ideal for Exploration

October is considered by many to be the best month to visit Whittier. Average high temperatures are around 76°F (24°C) and lows around 56°F (13°C). Rainfall remains low, and sunshine is abundant. This is a prime time for hiking, exploring local attractions, and enjoying the fall colors.

#ff6900 November: Increasing Rainfall & Cooler Days

November marks the return of wetter weather. Average high temperatures drop to 68°F (20°C) and lows around 48°F (9°C). Rainfall increases to approximately 1.4 inches. The hillsides become green again, but be prepared for potential showers.

#ff6900 December: Cool and Festive

December is a cool and festive month in Whittier. Average high temperatures are around 63°F (17°C) and lows around 45°F (7°C). Rainfall is common, averaging around 1.8 inches. Enjoy the holiday decorations and events while bundled up.

Whittier Weather by Month – Quick Reference Table

Month Avg High (°F) Avg Low (°F) Avg Rainfall (inches)
January 63 46 2.4
February 65 47 2.3
March 68 49 1.8
April 72 52 0.8
May 77 56 0.4
June 82 60 0.1
July 85 63 0.1
August 85 63 0.1
September 81 62 0.2
October 76 56 0.5
November 68 48 1.4
December 63 45 1.8

#ff6900 Frequently Asked Questions (FAQ)

Q: Is Whittier humid?
A: No, Whittier generally has low humidity, especially during the summer months.

Q: What is the marine layer?
A: The marine layer is a cool, moist air mass that drifts in from the Pacific Ocean, often creating fog and cooler temperatures in the mornings.

Q: Does it ever snow in Whittier?
A: Snow is extremely rare in Whittier. It typically doesn’t get cold enough for snowfall.

Q: What’s the best month for hiking in Whittier?
A: April, May, and October all offer excellent hiking conditions with pleasant temperatures and minimal rainfall.

Q: Where can I find real-time Whittier weather updates?
A: See the resources section below for links to reliable weather websites.

Resources:

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