San Fernando in Spring
In spring (March, April and May), San Fernando sees average daytime highs around 31°C and overnight lows near 20°C, with 125 mm of rain over about 17 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 27°C in early March to 34°C by late May. The sky is clear or mostly clear about 40% of the time across spring, and the air most often feels oppressive.
Spring is San Fernando's 3rd-best season to visit on our travel score. For the whole year in context, see San Fernando's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 125 mm
- 17 wet days
- Avg wind
- 16 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in San Fernando in Spring
Over the season highs climb from about 27°C in early March to 34°C by late May.
A typical spring day in San Fernando reaches about 31°C and drops to 20°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in San Fernando
Once humidity and wind are folded in, spring brings about 46 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Fernando weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 12° | 25 | 4.4 | 10.6 | 7.7 |
| Feb | 25° / 14° | 20 | 3.9 | 11.1 | 7.8 |
| Mar | 28° / 17° | 32 | 4.9 | 11.8 | 6.8 |
| Apr | 31° / 20° | 45 | 5.2 | 12.6 | 5.1 |
| May | 33° / 23° | 49 | 6.5 | 13.2 | 3.8 |
| Jun | 35° / 25° | 63 | 9.9 | 13.5 | 2.8 |
| Jul | 35° / 25° | 69 | 8.8 | 13.4 | 2.6 |
| Aug | 35° / 25° | 57 | 9.5 | 12.9 | 2.4 |
| Sep | 33° / 23° | 119 | 14.5 | 12.2 | 3.3 |
| Oct | 30° / 20° | 67 | 8.2 | 11.4 | 5.4 |
| Nov | 26° / 16° | 35 | 5.3 | 10.8 | 7.5 |
| Dec | 23° / 13° | 24 | 4.1 | 10.5 | 7.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 40% of the time across spring.
Chance of precipitation in Spring
San Fernando gets around 125 mm of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 16 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early March to 13 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Hazard calendar for San Fernando
None of San Fernando's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
San Fernando sits in the Atlantic hurricane belt; the season peaks August–October.
San Fernando's rainy season runs June–October, when most of the year's rain falls.
Is spring a good time to visit San Fernando?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit San Fernando for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Fernando in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, San Fernando sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection. About 17 days see rain.
Sea temperature near San Fernando in Spring
The nearest coast averages about 23°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 58 km away) is warmest in September at about 29°C and coldest in February near 20°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 20 | 21 | 23 | 26 | 28 | 28 | 29 | 29 | 28 | 25 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 20 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 25 | Warm |
| Dec | 22 | Refreshing |
UV index in San Fernando in Spring
Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Fernando peaks around April 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 8 | 12 | 9 | 11 | 11 | 11 | 9 | 9 | 6 | 5 |
| Level | High | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 9 | Very high |
| Nov | 6 | High |
| Dec | 5 | High |
Air quality in San Fernando in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in San Fernando is worst in August — around 34 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (January, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 8 | 11 | 14 | 23 | 28 | 34 | 34 | 17 | 7 | 6 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 11 | Good |
| Apr | 14 | Moderate |
| May | 23 | Moderate |
| Jun | 28 | Moderate |
| Jul | 34 | Moderate |
| Aug | 34 | Moderate |
| Sep | 17 | Moderate |
| Oct | 7 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is San Fernando?
San Fernando sits at 24.8°N, 98.1°W, 44 m above sea level, in Mexico. The nearest listed city is Valle Hermoso, 98 km away.
Topography around San Fernando
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Fernando.
Within 3 km, the terrain around San Fernando has only modest variations in elevation — a maximum elevation change of 64 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, large variations in elevation — a maximum elevation change of 1,049 m.
The land around San Fernando is covered by trees (37%), artificial surfaces (29%) and shrubs (21%) within 3 km, cropland (35%), trees (30%) and shrubs (22%) within 16 km, and shrubs (30%) and cropland (21%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Fernando (24.8471°, -98.1488°, elevation 44 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.