San Jose, Costa Rica skyline

San Jose Weather in June

The usual June conditions in San Jose, Costa Rica, drawn from 2006–2025 records.

San Jose in June: highs near 24.3°C (75.7°F), lows near 17.7°C (63.9°F), roughly 29 rainy days adding up to 383 mm, and 7.9 hours of sunshine on an average day.

Avg high

24.3°C (75.7°F)

Avg low

17.7°C (63.9°F)

Rainfall

383 mm (15.1 in)

Rainy days

29 days

Sunshine

7.9 h / day

Humidity

90%

June vs the rest of the year

8 of the other 11 months are warmer than June in San Jose; for rain it is the 4th wettest month.

MonthAvg highvs JuneRainRainy days
January24.6°C (76.3°F)+0.3°C (+0.5°F)75 mm11
February25.8°C (78.4°F)+1.5°C (+2.7°F)55 mm8
March26.6°C (79.9°F)+2.3°C (+4.1°F)54 mm12
April26.4°C (79.5°F)+2.1°C (+3.8°F)116 mm18
May25.1°C (77.2°F)+0.8°C (+1.4°F)349 mm27
June24.3°C (75.7°F)—383 mm29
July24.3°C (75.7°F)same320 mm26
August24.4°C (75.9°F)+0.1°C (+0.2°F)387 mm28
September24.4°C (75.9°F)+0.1°C (+0.2°F)402 mm29
October23.8°C (74.8°F)−0.5°C (−0.9°F)487 mm30
November23.4°C (74.1°F)−0.9°C (−1.6°F)360 mm26
December23.9°C (75°F)−0.4°C (−0.7°F)134 mm16

What June feels like in San Jose

June falls in San Jose's wet season — the rainfall numbers rise clearly above the dry months. Afternoons are warm and pleasant, good for long days out. There is little difference between day and night: nights stay mild, and evenings feel much like the afternoon. High humidity makes the heat feel heavier and sticky, especially on still afternoons.

Rain in San Jose in June

Dry days are the exception, with rain on most days. Rain tends to come in heavy bursts: about 13.2 mm (0.5 in) on an average rainy day. Across the year San Jose averages about 12 mm per rainy day, so June is typical.

Daylight and sunshine in June

Mid-month, San Jose gets 12 h 42 min of daylight, from sunrise near 5:15 am to sunset near 5:57 pm. Day length barely changes from mid-May (8 min longer). Close to the equator, sunrise and sunset times move very little through the year. About 62% of daylight hours are sunny; in short, there are plenty of bright spells.

How June compares to the rest of the year

Ranked by average high, June comes out as the 5th coolest month in San Jose. Afternoons run 0.8°C (1.4°F) cooler than in May, with 34 mm more rain. The cooling trend carries on into July. The next month's average high: 24.3°C (75.7°F).

Who June suits

  • Sightseeing: less ideal — rain falls on more than half the days.
  • Parks & outdoor: less ideal — rain interrupts outdoor plans.
  • Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.

Tips for visiting San Jose in June

Rain Protection

A compact umbrella and a light waterproof jacket.

Sunglasses

Plenty of sun, so bring sunglasses and a cap.

Quick questions

How warm is San Jose in June?

Expect around 24.3°C (75.7°F) in the afternoon and 17.7°C (63.9°F) at night, which most visitors would call warm.

Does it rain a lot in San Jose in June?

It does: about 29 rainy days bring roughly 383 mm, so plan some indoor options.

What should I wear in San Jose in June?

Based on the averages: rain protection and sunglasses. There is little need to change for the evening.

Is June or July better for visiting San Jose?

July scores better on our climate ranking (#6 of 12 vs #11), rated Fair against Fair. July has fewer rainy days.

Is June a good time to visit San Jose?

Fair

Fair — comfortable temperatures, rain on most days (about 29), heavy rainfall (383 mm). Within San Jose's own year, June ranks #11 of 12 — one of the least comfortable months.

Warmer or drier places in June

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in San Jose weather by month.