T’īs Isat in Summer

In summer (June, July and August), T’īs Isat sees average daytime highs around 22°C and overnight lows near 15°C, with 1330 mm of rain over about 88 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Over the season highs ease from about 25°C in early June to 22°C by late August. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels comfortable.

Summer is T’īs Isat's weakest season of the year to visit on our travel score. For the whole year in context, see T’īs Isat's year-round climate.

Avg daytime high: 22°C; coldest season of the year
Avg overnight low: 15°C
Rainfall: 1330 mm; 88 wet days
Avg wind: 6 km/h
Travel score: 3.7; weakest season of the year
Months: Jun · Jul · Aug

← Spring T’īs Isat year-round climate Fall →

Spring Summer Fall Winter

Temperature in T’īs Isat in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 25°C in early June to 22°C by late August.

A typical summer day in T’īs Isat reaches about 22°C and drops to 15°C overnight. The warmest of the three months is June, the coolest August.

T’īs Isat 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	Daylight (hours)	Travel score
Jan	26° / 14°	3	0.7	11.4	8.7
Feb	27° / 15°	4	0.9	11.6	8.2
Mar	28° / 16°	16	3.1	11.9	7.5
Apr	28° / 17°	26	5.8	12.2	6.9
May	26° / 17°	102	15	12.5	6.0
Jun	24° / 15°	284	26.1	12.7	4.3
Jul	21° / 15°	521	30.9	12.6	3.4
Aug	21° / 15°	524	30.9	12.4	3.4
Sep	22° / 14°	248	26.6	12.1	4.3
Oct	24° / 14°	58	11.3	11.7	7.1
Nov	24° / 13°	15	3.5	11.5	8.6
Dec	25° / 13°	4	1	11.3	8.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time across summer.

Chance of precipitation in Summer

Any precipitation

T’īs Isat gets around 1330 mm of rain over 88 wet days across summer. The line is the day-by-day chance of measurable precipitation.

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Summer

Winds average 6 km/h across summer.

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 36 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 4.8 kWh/m².

Planning a trip in summer

Hazard calendar for T’īs Isat

In seasonPeak

In summer, T’īs Isat overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

T’īs Isat's monsoon runs June–September, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is summer a good time to visit T’īs Isat?

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.

3.7

Sightseeing

4th-best month of the year

2.7

Beach & pool

4th-best month of the year

summer is a weaker month for outdoor sightseeing in T’īs Isat.

What to pack for T’īs Isat in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, T’īs Isat sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 88 days see rain.

rain gearlight clothessun protection

UV index in T’īs Isat in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in T’īs Isat peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (very 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)	11	13	15	15	13	12	12	14	13	13	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	13	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	10	Extreme
Dec	10	Very high

Air quality in T’īs Isat in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in T’īs Isat is worst in October — around 41 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	37	37	35	32	28	32	27	27	36	41	41	39
Level	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	37	Poor
Feb	37	Poor
Mar	35	Moderate
Apr	32	Moderate
May	28	Moderate
Jun	32	Moderate
Jul	27	Moderate
Aug	27	Moderate
Sep	36	Poor
Oct	41	Poor
Nov	41	Poor
Dec	39	Poor

Location & terrain

Where is T’īs Isat?

T’īs Isat sits at 11.5°N, 37.6°E, 1,645 m above sea level, in Ethiopia. The nearest listed city is Bahir Dar, 24 km away.

Topography around T’īs Isat

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of T’īs Isat.

Within 3 km, the terrain around T’īs Isat has significant variations in elevation — a maximum elevation change of 333 m around an average of 1,655 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,049 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,849 m.

The land around T’īs Isat is covered by cropland (78%) within 3 km, cropland (70%) within 16 km, and cropland (71%) within 80 km.

3 km

333 m

cropland 78%

16 km

1,049 m

cropland 70%

80 km

2,849 m

cropland 71%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← Spring T’īs Isat year-round climate Fall →

Summer weather nearby: Bahir Dar 24 km · Ādēt 26 km · Mer’āwī 46 km · Werota 50 km · Mot’a 54 km · Debre Tabor 62 km · Gurbetē 70 km · Ādīs Zemen 74 km

Ethiopia travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type C / E / F / L; 220 V · 50 Hz
Prices: ≈ 37% of US; price level, 2025
GDP per capita: $933; 2025
Happiness: 4.0 / 10; World Happiness, 2025
Safe drinking water: 14%; of population, 2024
Homicide rate: 8.5; per 100k, 2012
Road deaths: 28.2; per 100k/yr, 2019
Income group: Low; World Bank
English: Low; EF EPI 499
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 T’īs Isat (11.4833°, 37.5833°, elevation 1,645 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.