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Palo Alto

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Palo Alto Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Palo Alto year round climate

  • Spring (March–May): Average 11.7–15.5°C, mild and comfortable climate with gradually decreasing rainfall. March and April still experience rainfall, while May is relatively dry. Common activities: Hiking, cycling. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 17.7–19.9°C, warm and dry climate with abundant sunshine and very little rainfall. Common activities: Outdoor picnics, sightseeing, swimming. Recommended clothing: Short-sleeved shirts, shorts, light and breathable clothing, hat and sunscreen.
  • Autumn (September–November): Average 17.5–12.6°C, comfortable and pleasant climate with gradually cooling temperatures. Rainfall increases in October and November. Common activities: Outdoor activities, enjoying autumn scenery. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Winter (December–February): Average 10.8–11.4°C, cool and humid climate with more rainfall, especially in December. Common activities: Indoor activities, museum visits. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Palo Alto climatological average

Annual average temperature: approx. 14.9°C / Annual rainfall: approx. 539 mm / Summer humidity: 60%–70% / Rainiest month: December

Palo Alto monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
10.9°C
118
February
10.8°C
82.8
March
11.7°C
93.6
April
13.5°C
30.5
May
15.5°C
19
June
17.7°C
1.2
July
18.8°C
0
August
19.9°C
1
September
18.9°C
1.9
October
17.5°C
2.4
November
12.6°C
55.5
December
11.4°C
133.8

Palo Alto weather for the next seven days

4/14
Tuesday
Partly Cloudy
15.6°C/9.1°C
4/15
Wednesday
Cloudy
18°C/8.6°C
4/16
Thursday
Sunny
20.3°C/8.9°C
4/17
Friday
Sunny
20.1°C/8.6°C
4/18
Saturday
Sunny
21.7°C/7.9°C
4/19
Sunday
Sunny
22.4°C/10.2°C
4/20
Monday
Sunny
23°C/9.3°C