Monrovia in Summer
In summer (June, July and August), Monrovia sees average daytime highs around 27°C and overnight lows near 24°C, with 1402 mm of rain over about 83 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels oppressive.
Summer is Monrovia's 2nd-best season to visit on our travel score. Monrovia has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Monrovia's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 1402 mm
- 83 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.7
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Monrovia in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Monrovia reaches about 27°C and drops to 24°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Monrovia
Once humidity and wind are folded in, summer brings about 1 day that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Monrovia 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 | 29° / 25° | 83 | 17.5 | 11.7 | 4.9 |
| Feb | 29° / 25° | 102 | 20.1 | 11.8 | 4.2 |
| Mar | 29° / 25° | 161 | 25.1 | 12 | 3.7 |
| Apr | 29° / 25° | 208 | 26.3 | 12.1 | 3.3 |
| May | 29° / 25° | 321 | 29.9 | 12.3 | 3.0 |
| Jun | 27° / 24° | 492 | 29 | 12.4 | 3.4 |
| Jul | 26° / 24° | 419 | 26.8 | 12.3 | 3.9 |
| Aug | 26° / 24° | 492 | 27.2 | 12.2 | 3.8 |
| Sep | 27° / 24° | 530 | 29.3 | 12 | 3.4 |
| Oct | 28° / 24° | 359 | 30.4 | 11.9 | 3.4 |
| Nov | 28° / 24° | 192 | 27.6 | 11.7 | 3.4 |
| Dec | 28° / 24° | 105 | 23.1 | 11.6 | 4.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Monrovia gets around 1402 mm of rain over 83 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early June to 12 h 06 min 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 4.0 kWh/m².
Hazard calendar for Monrovia
In summer, Monrovia overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Monrovia's rainy season runs May–October, when most of the year's rain falls.
Monrovia sees seasonal dust haze (February), heaviest in February.
Is summer a good time to visit Monrovia?
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 weaker month for outdoor sightseeing in Monrovia.
What to pack for Monrovia in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Monrovia sees daytime highs around 27°C and nights near 24°C. Pack light clothes and rain gear. About 83 days see rain.
Sea temperature near Monrovia in Summer
The nearest coast averages about 27°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 29°C and coldest in August near 27°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) | 28 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 29 |
| Comfort | Tropical | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Tropical |
| Jul | 27 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 28 | Warm |
| Nov | 28 | Tropical |
| Dec | 29 | Tropical |
UV index in Monrovia in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Monrovia peaks around September 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (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) | 10 | 12 | 13 | 12 | 13 | 11 | 11 | 12 | 13 | 12 | 10 | 8 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 8 | Very high |
Air quality in Monrovia 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 Monrovia is worst in February — around 50 µg/m³ PM2.5 (poor), about 6.3× the cleanest month (September, 8 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) | 47 | 50 | 44 | 40 | 18 | 15 | 13 | 9 | 8 | 10 | 16 | 35 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 47 | Poor |
| Feb | 50 | Poor |
| Mar | 44 | Poor |
| Apr | 40 | Poor |
| May | 18 | Moderate |
| Jun | 15 | Moderate |
| Jul | 13 | Moderate |
| Aug | 9 | Good |
| Sep | 8 | Good |
| Oct | 10 | Good |
| Nov | 16 | Moderate |
| Dec | 35 | Poor |
Where is Monrovia?
Monrovia sits at 6.3°N, 10.8°W, 32 m above sea level, in Liberia. The nearest listed city is Harbel, 49 km away.
Topography around Monrovia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monrovia.
Within 3 km, the terrain around Monrovia has only modest variations in elevation — a maximum elevation change of 75 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, significant variations in elevation — a maximum elevation change of 337 m.
The land around Monrovia is covered by water (58%) and artificial surfaces (24%) within 3 km, water (65%) within 16 km, and trees (55%) and water (39%) within 80 km.
Liberia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 0% of US
- price level, 2025
- GDP per capita
- $915
- 2025
- Happiness
- 4.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.1
- per 100k, 2012
- Road deaths
- 38.9
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- 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 Monrovia (6.3005°, -10.7969°, elevation 32 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.