Winter
Dec → Feb15 to 17°
nights 5 to 7°
- 7 rainy days · 66 mm
When is the best time to visit San Jose?
- Jan15°not recommended
- Feb17°not recommended
- Mar19°fair
- Apr21°recommended
- May23°recommended
- Jun26°recommended
- Jul27°fair
- Aug27°fair
- Sep27°recommended
- Oct24°recommended
- Nov19°fair
- Dec15°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in San Jose, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 15° | 5° | 71 mm | 7 d | |
| February | 17° | 7° | 68 mm | 7 d | |
| March | 19° | 8° | 53 mm | 7 d | |
| April | 21° | 9° | 27 mm | 4 d | ✓ |
| May | 23° | 11° | 10 mm | 2 d | ✓ |
| June | 26° | 13° | 5 mm | 1 d | ✓ |
| July | 27° | 15° | 0 mm | 0 d | |
| August | 27° | 15° | 1 mm | 0 d | |
| September | 27° | 14° | 2 mm | 0 d | ✓ |
| October | 24° | 12° | 14 mm | 2 d | ✓ |
| November | 19° | 8° | 34 mm | 5 d | |
| December | 15° | 5° | 58 mm | 7 d |
The four seasons in San Jose, in figures
What the 2015-2024 averages (San Jose) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May19 to 23°
nights 8 to 11°
- 4 rainy days · 30 mm
Summer
Jun → Aug26 to 27°
nights 13 to 15°
- 0 rainy days · 2 mm
Autumn
Sep → Nov19 to 27°
nights 8 to 14°
- 2 rainy days · 17 mm
Book early for April to June and September to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in San Jose, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 14h43 of daylight, in December 9h36, a difference of 5h07.
9h51Jan
10h46Feb
11h51Mar
13h07Apr
14h10May
14h43Jun
14h30Jul
13h35Aug
12h22Sep
11h09Oct
10h06Nov
9h36Dec
Calculated for the latitude of the reference point "San Jose" (37.36°). Values on the 15th of each month, local solar time.
What to do in San Jose, month by month
What to see and do
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Long days |
favourablewith compromisesunfavourable
Sightseeing & walks: good conditions all twelve months.
- Long days: May, June, July
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended15°5° at night
- 71 mm · 7 d
Low season, lower prices
February
Not recommended17°7° at night
- 68 mm · 7 d
Low season, lower prices
March
Fair19°8° at night
- 53 mm · 7 d
Low season, lower prices
April
Recommended21°9° at night
- 27 mm · 4 d
Busy, without the crush
May
Recommended23°11° at night
- 10 mm · 2 d
Busy, without the crush
June
Recommended26°13° at night
- 5 mm · 1 d
Busy, without the crush
July
Fair27°15° at night
- 0 mm · 0 d
Busy, without the crush
August
Fair27°15° at night
- 1 mm · 0 d
Busy, without the crush
September
Recommended27°14° at night
- 2 mm · 0 d
Busy, without the crush
October
Recommended24°12° at night
- 14 mm · 2 d
Busy, without the crush
November
Fair19°8° at night
- 34 mm · 5 d
Low season, lower prices
December
Not recommended15°5° at night
- 58 mm · 7 d
Quiet, then the holidays
Read the twelve months in detail
January. Cool: 15 °C at best, 5 °C at night. Rain stays light: 71 mm over 7 days. Low season: fewer people, lower prices.
February. Cool: 17 °C at best, 7 °C at night. Rain stays light: 68 mm over 7 days. Low season: fewer people, lower prices.
March. Mild, 19 °C in the afternoon and 8 °C early in the morning. Rain stays light: 53 mm over 7 days. Low season: fewer people, lower prices.
April. Mild, 21 °C in the afternoon and 9 °C early in the morning. Rain stays light: 27 mm over 4 days. Busy season, without the crush.
May. Mild, 23 °C in the afternoon and 11 °C early in the morning. Hardly any rain (10 mm over 2 days). Busy season, without the crush.
June. 26 °C in the afternoon and 13 °C at night. Hardly any rain (5 mm over 1 day). Busy season, without the crush.
July. 27 °C in the afternoon and 15 °C at night. Hardly any rain (0 mm over 0 days). Busy season, without the crush.
August. 27 °C in the afternoon and 15 °C at night. Hardly any rain (1 mm over 0 days). Busy season, without the crush.
September. 27 °C in the afternoon and 14 °C at night. Hardly any rain (2 mm over 0 days). Busy season, without the crush.
October. Mild, 24 °C in the afternoon and 12 °C early in the morning. Hardly any rain (14 mm over 2 days). Busy season, without the crush.
November. Mild, 19 °C in the afternoon and 8 °C early in the morning. Rain stays light: 34 mm over 5 days. Low season: fewer people, lower prices.
December. Cool: 15 °C at best, 5 °C at night. Rain stays light: 58 mm over 7 days. Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit San Jose?
April to June and September to October: over these months, average highs range from 21 to 27 °C, with 2 days of rain a month on average (2015-2024 averages, San Jose).
Which month should you avoid in San Jose?
January: it is the wettest of the months to avoid, with 71 mm over 7 days of rain on average over 2015-2024 at the reference point (San Jose).
What is the hottest month in San Jose?
July, with 27 °C on average in the afternoon and 15 °C at night. 2015-2024 averages (San Jose).
What is the coldest month in San Jose?
January, with 15 °C at best during the day and 5 °C at night. 2015-2024 averages (San Jose).
What is the driest month in San Jose?
July: 0 mm over 0 days of rain, against 71 mm in January, the wettest month.
Does it get cold at night in San Jose?
The gap between day and night reaches 13 °C in June: 26 °C in the afternoon, 13 °C at dawn. Pack an extra layer, even in high season.
Plan this trip
📒 The free printable San Jose guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Frank Schulenburg / CC BY-SA 4.0 (Wikimedia Commons) · The Tech Museum of Innovation / CC BY 2.0 (Wikimedia Commons) · Allie_Caulfield from Germany / CC BY 2.0 (Wikimedia Commons) · The wub / CC BY-SA 4.0 (Wikimedia Commons) · Don Ramey Logan / CC BY-SA 4.0 (Wikimedia Commons) · Antony-22 / CC BY-SA 4.0 (Wikimedia Commons) · Allie_Caulfield / CC BY 2.0 (Wikimedia Commons)