30YearWeather
San Jose in May
San Jose weather in May - United States
😊Warm & Pleasant

San Jose Weather in May

Plan your May trip to San Jose, United States. Based on 30 years of NASA data, expect temperatures of 23°C (high) to 11°C (low), with 6% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
23°C

Hottest around day 31

Avg Low
11°C

Coolest around day 1

Rainy Days
0days

6% avg rain chance

Sunshine
8hrs/day

Spring season

San Jose May Weather Calendar

Click any day to see detailed weather information

Day 1
partly-cloudy-day
Nice
23°C7%
Day 2
partly-cloudy-day
Nice
23°C7%
Day 3
partly-cloudy-day
Nice
22°C9%
Day 4
partly-cloudy-day
Nice
22°C10%
Day 5
partly-cloudy-day
Nice
22°C8%
Day 6
partly-cloudy-day
Nice
22°C8%
Day 7
partly-cloudy-day
Nice
22°C9%
Day 8
partly-cloudy-day
Nice
22°C6%
Day 9
partly-cloudy-day
Nice
23°C4%
Day 10
partly-cloudy-day
Nice
23°C5%
Day 11
partly-cloudy-day
Nice
23°C4%
Day 12
partly-cloudy-day
Nice
23°C3%
Day 13
partly-cloudy-day
Nice
23°C5%
Day 14
partly-cloudy-day
Nice
23°C6%
Day 15
partly-cloudy-day
Nice
23°C7%
Day 16
partly-cloudy-day
Nice
23°C9%
Day 17
partly-cloudy-day
Nice
23°C11%
Day 18
partly-cloudy-day
Nice
23°C9%
Day 19
partly-cloudy-day
Nice
23°C9%
Day 20
partly-cloudy-day
Nice
23°C8%
Day 21
partly-cloudy-day
Nice
23°C6%
Day 22
partly-cloudy-day
Nice
23°C3%
Day 23
partly-cloudy-day
Nice
23°C3%
Day 24
partly-cloudy-day
Nice
23°C2%
Day 25
partly-cloudy-day
Nice
23°C2%
Day 26
partly-cloudy-day
Nice
23°C3%
Day 27
partly-cloudy-day
Nice
23°C4%
Day 28
partly-cloudy-day
Nice
24°C3%
Day 29
partly-cloudy-day
Nice
24°C2%
Day 30
partly-cloudy-day
Nice
25°C2%
Day 31
partly-cloudy-day
Nice
25°C1%

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for San Jose

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
51/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Jul

Monthly Traffic Distribution

126
Jan
133
Feb
139
Mar
175
Apr
202
May
209
Jun
124
Jul
158
Aug
158
Sep
158
Oct
158
Nov
158
Dec
Traffic Level
Low Season

Key Connections

San Diego (SAN)
Los Angeles (LAX)
Las Vegas McCarran (LAS)
Phoenix Sky Harbor (PHX)
Seattle Tacoma (SEA)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is May a Good Time to Visit San Jose?

👍Solid choice for most travelers
Short Answer

May is San Jose's peak season for good reason: 23°C temperatures and 6% rain probability. But expect crowds (97% of annual maximum) and premium prices.

Decision Factors

Peak tourist season

97% of annual peak - expect crowds and peak prices

Ideal temperature range

23.1°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 6% rain probability - ideal for outdoor activities

Plenty of sunshine

12.3h of sunshine daily

Exceptional dining scene

13 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 23.1°C temperatures and low 6% rain risk

  • 👴
    Elderly travelers

    Comfortable 23.1°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 23.1°C, 6% rain chance

  • 📸
    Photographers

    12.3h sunshine, 59% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,San Jose in May averages 23°C with 6% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: San Jose in May

What are the temperatures in San Jose in May?

Daytime highs average 23°C, nights drop to 11°C. Temperatures remain fairly consistent.

How many rainy days in San Jose in May?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in San Jose in May?

Comfortable casual wear with a light jacket for evenings.

Is May peak season in San Jose?

This is typically peak season with higher prices. Book 2-3 months ahead.