Dilijan in Summer
In summer (June, July and August), Dilijan sees average daytime highs around 20°C and overnight lows near 11°C, with 346 mm of rain over about 58 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 17°C in early June to 20°C by late August. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels dry.
Summer is Dilijan's best season of the year to visit on our travel score. For the whole year in context, see Dilijan's year-round climate.
- Avg daytime high
- 20°C
- warmest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 346 mm
- 58 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Dilijan in Summer
Over the season highs climb from about 17°C in early June to 20°C by late August.
A typical summer day in Dilijan reaches about 20°C and drops to 11°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Dilijan
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Dilijan weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -10° | 36 | 7.2 | 7.9 | 9.4 | 0.0 |
| Feb | -1° / -8° | 46 | 8.5 | 9.4 | 10.4 | 0.0 |
| Mar | 3° / -4° | 93 | 14.6 | 13.1 | 11.7 | 0.0 |
| Apr | 9° / 1° | 143 | 19.8 | 8.9 | 13.1 | 1.3 |
| May | 14° / 5° | 177 | 24.1 | 1.9 | 14.2 | 2.8 |
| Jun | 18° / 9° | 155 | 21.8 | 0 | 14.9 | 4.3 |
| Jul | 20° / 12° | 110 | 18.8 | 0 | 14.6 | 5.1 |
| Aug | 21° / 12° | 81 | 17.4 | 0 | 13.6 | 5.5 |
| Sep | 18° / 9° | 75 | 13.6 | 0.1 | 12.3 | 5.2 |
| Oct | 13° / 4° | 72 | 11.6 | 2.2 | 10.9 | 3.4 |
| Nov | 5° / -2° | 50 | 8.3 | 6 | 9.7 | 0.5 |
| Dec | -0° / -8° | 37 | 6.5 | 7.1 | 9.1 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Dilijan gets around 346 mm of rain over 58 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Hazard calendar for Dilijan
In summer, Dilijan overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Dilijan's rainy season runs March–August, when most of the year's rain falls.
Is summer a good time to visit Dilijan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Dilijan for sightseeing.
What to pack for Dilijan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Dilijan sees daytime highs around 20°C and nights near 11°C. Pack rain gear and sun protection. About 58 days see rain.
UV index in Dilijan in Summer
Clear-sky midday UV across summer 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 Dilijan peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 7 | 4 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Dilijan in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Dilijan is worst in May — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 11 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) | 11 | 15 | 18 | 21 | 21 | 20 | 18 | 16 | 15 | 14 | 12 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 15 | Moderate |
| Mar | 18 | Moderate |
| Apr | 21 | Moderate |
| May | 21 | Moderate |
| Jun | 20 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 15 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Moderate |
| Dec | 11 | Good |
Where is Dilijan?
Dilijan sits at 40.7°N, 44.9°E, 1,345 m above sea level, in Armenia. The nearest listed city is Sevan, 23 km away.
Topography around Dilijan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dilijan.
Within 3 km, the terrain around Dilijan has large variations in elevation — a maximum elevation change of 943 m around an average of 1,462 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,149 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,861 m.
The land around Dilijan is covered by trees (64%) and grassland (26%) within 3 km, grassland (64%) and trees (34%) within 16 km, and grassland (58%) and trees (21%) within 80 km.
Armenia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 38% of US
- price level, 2025
- GDP per capita
- $9,474
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 82%
- of population, 2024
- Homicide rate
- 2.2
- per 100k, 2023
- Road deaths
- 20
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 515
- 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 Dilijan (40.7404°, 44.8634°, elevation 1,345 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.