Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 30.8 °C | — | 2 days | Ideal — one of the best times of year |
| February | 31.5 °C | — | 1 day | Ideal — one of the best times of year |
| March | 31.9 °C | — | 6 days | Ideal — one of the best times of year |
| April | 31.3 °C | — | 16 days | Possible, with trade-offs |
| May | 29.3 °C | — | 26 days | Unfavourable season |
| June | 27.8 °C | — | 27 days | Unfavourable season |
| July | 29.5 °C | — | 24 days | Unfavourable season |
| August | 28.8 °C | — | 26 days | Unfavourable season |
| September | 27.9 °C | — | 29 days | Unfavourable season |
| October | 27.6 °C | — | 26 days | Unfavourable season |
| November | 28.4 °C | — | 14 days | Possible, with trade-offs |
| December | 30 °C | — | 4 days | Ideal — one of the best times of year |
Nearby in January
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 180 days. Passport valid for at least 6 months. Visa-free up to 180 days; travel between El Salvador, Guatemala and Nicaragua counts within a single 90-day CA-4 period.
For a British passport, per the UK Foreign Office on 17 June 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 17 June 2026
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · None.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 3 September 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in San Salvador in January?
San Salvador is not a seaside destination (no sea data).
How hot is San Salvador in January?
Expect 30.8°C in the afternoon and 19.4°C at night, averaged over the last 10 years.
Does it rain a lot in San Salvador in January?
Around 2 days with rain (≥ 1 mm) in the month — 6% of days.