Report a problem

What is the problem?

Could not attach a screenshot — send without it

·

La Unión — VanSky 27 (Challenging)

Regional capital · Departamento de La Unión, El Salvador

35° Cloudy
VanSky
27
Challenging
Comfortable days: 0 of 7
Feels like
38°C
Wind
15 km/h
Precip
0%
Humidity
49%
UV
—
/
05:40 / 18:03

VanSky index for La Unión, El Salvador — 27 out of 100 (Challenging). Decide in seconds: temperature, precipitation, wind and solar output. Data refreshed several times a day from real weather observations.

The main score is weekly (7-day average). The “Today” toggle shows the current day, and the region page compares cities “by area”.

La Unión, El Salvador — VanSky 27 out of 100. Difficult — consider alternatives. Ranked #43 of 44 cities in the country (as of 30 August 2026). Temperature 37°C, wind 15 km/h. Solar panels yield 2.9 kWh/day at 400 W — enough for full autonomy.

∅ 7-day average

Sleep
75
26°C
Night temperature
Solar
67
2.9 kWh
for 500W panels • sunny 12h
Driving
100
15 km/h
Wind speed (gusts 31)
Condensation
Medium
49%
Humidity level • Dew point 22.4°C very muggy
Awning
Safe
31 km/h
Max gusts
Air Quality
Moderate
52 AQI
PM2.5: 10.8 μg/m³

Upcoming forecast

Su
30.08
day
37°
night
26°
solar
2.9 kWh
wind
15 km/h
gusts 31 км/ч
VanSky 25
comfort
Mo
31.08
day
36°
night
27°
solar
2.5 kWh
wind
14 km/h
gusts 28 км/ч
VanSky 25
comfort
Tu
01.09
day
34°
night
26°
solar
2.4 kWh
wind
11 km/h
gusts 23 км/ч
VanSky 33
comfort
We
02.09
day
34°
night
26°
solar
2.1 kWh
wind
10 km/h
gusts 23 км/ч
VanSky 32
comfort
Th
03.09
day
35°
night
26°
solar
2.5 kWh
wind
8 km/h
gusts 19 км/ч
VanSky 30
comfort
Fr
04.09
day
35°
night
26°
solar
2.5 kWh
wind
8 km/h
VanSky 30
comfort
Sa
05.09
day
36°
night
26°
solar
3 kWh
wind
10 km/h
gusts 22 км/ч
VanSky 25
comfort

La Unión on map

Open full map →
Open-Meteo

Solar — W Panels W

Today's output
Peak hours
7.3h
sunny 12h
Usage estimate

Travel recommendations

  • Wind is calm — safe to open the awning and leave it out overnight.
  • Extreme heat (36.9°C) — park in shade, use a windshield reflector, drink plenty of water.

Air Quality Today

52
Good
Fair
Moderate
Poor
Danger
52
Moderate
Moderate pollution — people with allergies or asthma should reduce time outdoors.
PM2.5
10.8
μg/m³
Fair
Dust
2
μg/m³
Good
Pollen
—

Similar by VanSky

Cities with a close score — route alternatives

VanSky Index

A weather comfort index for travel: a 0–100 score. Recalculated daily from live weather data — temperature, rainfall, wind and sun.

80–100 Ideal
60–79 Comfortable
40–59 Acceptable
20–39 Challenging
0–19 Extreme

How it's calculated:

  • Thermal comfort 35%
  • Sunshine 25%
  • Precipitation 25%
  • Wind 15%

Data: Open-Meteo · Updated several times a day

Where the weather is best in El Salvador

La Unión ranks 36 of 44 cities. Country average VanSky — 36.

Best
1
Antiguo Cuscatlán
48 2
Zaragoza
48 3
Santa Tecla
48 4
Ahuachapán
45 5
Santo Tomás
45
Harshest
La Unión you are here
25
Chalatenango
25
Santa Rosa de Lima
25
Acajutla
25
Puerto El Triunfo
23
All 44 cities in the country

Frequently Asked Questions

Is it possible to live in a motorhome in La Unión?
The weekly VanSky index for La Unión is 27 out of 100 (7-day average). Above 60 is comfortable for parking, below 40 — consider alternatives. Check the 7-day forecast on this page.
What is the solar panel output in La Unión?
Solar panel output data for La Unión is calculated from real peak sun hours. The result is shown in the Solar section — you can adjust it to your panel wattage.
How does VanSky calculate the comfort index for La Unión?
The index for La Unión is calculated using: thermal comfort (temperature + humidity), precipitation, wind, and solar activity. Extreme conditions — frost, storm, heavy rain — drive the score toward zero.

Nearby cities

Santa Rosa de Lima 32 km San Miguel 40 km San Lorenzo Honduras · 44 km Nacaome Honduras · 44 km San Francisco 49 km San Rafael Oriente 55 km Jucuapa 62 km Usulután 65 km

Other Tools

Fuel Prices Fuel Cost Calculator Currency Converter Vanlife Cost Calculator EV Charging VanBasket Food Index Turkey Stay Calculator Europe Visa Calculator (Schengen) Russia Visa Calculator
Stay connected

Follow OpenVan.camp

Pick where you live

X X Telegram Telegram WhatsApp WhatsApp Facebook Facebook Pinterest Pinterest

SV El Salvador — fuel prices

Updated: 30.08.2026

Gasolina Regular

$1.21 /l

€1.04 · £0.89/l

49 of 168

cheaper than 71% of countries

Midgrade

$1.30 /l

€1.12 · £0.96/l

26 of 100

cheaper than 75% of countries

Diésel

$1.21 /l

€1.05 · £0.90/l

48 of 166

cheaper than 72% of countries

All countries Prices: El Salvador

Popular route

Distance

Fuel cost

~

Est. time

~

Open on map

Visas and vehicle on this route

Working out the rules for this route…

No passport set — showing the common ones. Tap yours to count by it alone.

Count the days by trip dates

Reference data, not legal advice. Rules change without notice — check with the consulate or at the border.

Quiz: test yourself
Guess the vanlife lingo — 3 quick questions
1 / 3
Q1 What does an inverter do in a motorhome?

Recommended

All News
Life in a Campervan: 2 Years on the Road — Real Experience and Tips Lifestyle © Kopaev Alex
Article

Life in a Campervan: 2 Years on the Road — Real Experience and Tips

Two years on the road with a cat named Zhuzu — and not a single day of wanting to go back. We break down life in a camper van: where to find water, how heating works, what to do about electricity, and where to look for overnight spots. 7 countries, hundreds of places, and an honest account — from the mountain roads of Turkey to the coastline of Montenegro.

Read more
Suggest news or event

Sent to "Submissions" for moderation

All suggestions go through automated checks and moderation. We publish excerpts and a link to the original source. By submitting you agree to Copyright Holders, Terms, Privacy Policy and Cookies.

Install OpenVan.camp

Get quick access and offline reading.

Install on iOS

  1. 1 Tap Share in Safari.
  2. 2 Choose "Add to Home Screen".
  3. 3 Confirm by tapping Add.

Already installed

The app is already installed on this device.

Install from browser menu

Use your browser menu to install or add to home screen.

→ Glossary