Livermore weather by month

Livermore, California, nestled in the heart of the Tri-Valley region, boasts a Mediterranean climate characterized by warm, dry summers and mild, wet winters. This makes it a desirable location for those who enjoy sunshine and outdoor activities. However, the weather does change throughout the year, and knowing what to expect month by month can help you plan the perfect visit or simply prepare for the seasons. This guide provides a detailed look at Livermore’s weather patterns, offering insights into temperature, rainfall, and what activities are best suited for each month.

Understanding Livermore’s Climate

Before diving into the specifics, it’s helpful to understand the broader climate picture. Livermore benefits from its inland location, shielded from the immediate cooling effects of the San Francisco Bay. This results in significantly warmer temperatures than coastal cities. The Diablo Range to the south also plays a role, creating a rain shadow effect that contributes to the dry summers. The majority of Livermore’s rainfall occurs between November and April. Expect significant temperature swings between day and night, especially during the summer months.

Spring in Livermore (March – May)

Spring brings a welcome change from the cooler winter months. Temperatures begin to rise, wildflowers bloom in the surrounding hills, and the landscape comes alive with greenery.

March: Transition month. Average highs are in the low 60s (°F), with lows in the upper 40s. Rainfall is still common, averaging around 2.5 inches.

April: Pleasant and mild. Highs climb into the mid-60s, and lows remain in the 50s. Rainfall decreases to around 1.5 inches. Perfect for hiking and wine tasting.

May: Warm and sunny. Average highs reach the low 70s, with comfortable lows in the upper 50s. Rainfall is minimal, typically less than 0.75 inches. Outdoor events and festivals are popular.

Summer in Livermore (June – August)

Livermore summers are hot and dry, offering ideal conditions for outdoor adventures. Be prepared for scorching daytime temperatures and cooler evenings.

June: Warm days and mild nights. Highs average in the upper 70s to low 80s, with lows in the 60s. Virtually no rainfall.

July: The hottest month of the year. Average highs soar into the low 90s, and lows remain in the mid-60s. Expect consistently sunny skies. Hydration is key!

August: Similar to July, with average highs in the low 90s and lows in the mid-60s. The heat can be intense, but evenings offer relief.

Autumn in Livermore (September – November)

Fall is often considered the most beautiful time of year in Livermore. The grape harvest is in full swing, the hillsides turn golden, and the temperatures are delightfully mild.

September: Warm and pleasant. Highs average in the upper 80s, gradually cooling to the low 80s by month’s end. Lows remain comfortable in the 60s.

October: Mild and sunny. Average highs are in the low 70s, with lows in the 50s. A small chance of rainfall (around 1 inch).

November: Cooler and wetter. Highs are in the upper 50s to low 60s, and lows drop to the upper 40s. Rainfall increases to around 2.5 inches.

Winter in Livermore (December – February)

Winters in Livermore are mild compared to many other parts of the country, but they are the wettest months. Expect cool temperatures and occasional rain showers.

December: Cool and wet. Average highs are in the upper 50s, with lows in the low 40s. Rainfall averages around 3 inches.

January: The coolest month. Average highs are in the mid-50s, and lows are in the upper 30s. Expect the highest rainfall of the year, averaging around 3.5 inches.

February: Similar to January, with average highs in the mid-50s and lows in the upper 30s. Rainfall begins to decrease slightly, averaging around 3 inches.

Livermore Weather by Month: A Quick Reference Table

Month	Avg High (°F)	Avg Low (°F)	Avg Rainfall (inches)
January	54	39	3.5
February	57	41	3.0
March	62	48	2.5
April	66	52	1.5
May	72	57	0.75
June	80	62	0.25
July	91	66	0.1
August	90	65	0.2
September	86	63	0.5
October	73	53	1.0
November	62	46	2.5
December	56	40	3.0

Frequently Asked Questions (FAQ)

Q: What is the rainiest month in Livermore?
A: January is typically the rainiest month.

Q: What is the hottest month in Livermore?
A: July is generally the hottest month.

Q: Does Livermore get snow?
A: Snow is extremely rare in Livermore.

Q: What should I pack if I’m visiting Livermore in the fall?
A: Layers are best! Pack light jackets, sweaters, and comfortable shoes for walking.

Q: Is Livermore foggy?
A: While the coastal areas of the Bay Area are known for fog, Livermore is usually spared due to its inland location. However, some morning fog is possible, especially in the winter.