Best time to visit San Juan, TX
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in San Juan runs from November through March — 5 months of pleasant temperatures and modest rainfall.
Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.
Daylight ≈ 10h 32m
Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.
Daylight ≈ 11h 7m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 11h 50m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 12h 37m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 17m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 37m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 29m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 12h 55m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 12h 9m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 11h 22m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 10h 41m
Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.
Daylight ≈ 10h 22m
Looking for similar climates? See San Juan's climate twins. Or jump straight to the full climate profile.