Rosemont, United States — Weather in April 2027

Monthly climate averages for Rosemont, United States. Based on 10-year ERA5 reanalysis data.

Csa Hot-Summer Mediterranean
8.1 /10
Good

April is a good month in Rosemont

Climate Overview

Rosemont, United States in April has warm conditions, with highs averaging 23.1°C (74°F). Temperatures drop noticeably between day and night.

This month falls at the middle of Spring.

Daily highs in April gradually rise from around 21°C (70°F) at the start to 26°C (78°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 10.4h of sunshine at the start of April, increasing to 11.9h by the end.

The warmest days tend to fall around the 30th, averaging 26.6°C (80°F).

Compared to March, this month is about 5°C warmer with 7 fewer rainy days. Temperatures will rise further into May.

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Monthly April Averages

Temperature
23°C / 10°C
Feels Like
22°C / 8°C
Rain
5 days · 43 mm
Sunshine
10.9h / day
Humidity
61% — Moderate
Wind
14 km/h
Wind Direction
SW (217°)
Gusts
31 km/h
Daylight
13.2 h
Cloud Cover
42%
Clear Sky Days
9
UV Index
6.7 — High
Dew Point
9°C — Dry
Moon Phase
Waxing Gibbous · 61%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

32°C 28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202530
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202530
Rainfall

Daily Sunshine

0h 4h 8h 12h 16h 151015202530
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202530
Wind Speed
Sun Position
Sunrise 06:29
Daylight 13.2h
Sunset 19:42

What to Expect

Daytime temperatures around 23°C (74°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
14°C / 5°C
Feels Like
12°C / 2°C
Rain
11days (143 mm) Wet
Sun
6.6h Fair
Humidity
80% Humid
UV
2.8 Moderate
View Details
February
Fair
Temp
16°C / 5°C
Feels Like
14°C / 3°C
Rain
8days (117 mm) Wet
Sun
8.3h Good
Humidity
71% Muggy
UV
3.7 Moderate
View Details
March
Good
Temp
18°C / 7°C
Feels Like
16°C / 5°C
Rain
12days (127 mm) Wet
Sun
9.3h Good
Humidity
71% Muggy
UV
5.2 High
View Details
April
Good
Temp
23°C / 10°C
Feels Like
22°C / 8°C
Rain
5days (43 mm) Good
Sun
10.9h Excellent
Humidity
61% Muggy
UV
6.7 High
View Details
May best
Excellent
Temp
28°C / 13°C
Feels Like
27°C / 11°C
Rain
3days (20 mm) Excellent
Sun
12.7h Excellent
Humidity
51% Moderate
UV
7.8 Very High
View Details
June best
Excellent
Temp
34°C / 16°C
Feels Like
33°C / 15°C
Rain
1days (2 mm) Excellent
Sun
13.6h Excellent
Humidity
43% Moderate
UV
8.1 Very High
View Details
July
Good
Temp
36°C / 17°C
Feels Like
36°C / 17°C
Rain
0days (0 mm) Excellent
Sun
13.5h Excellent
Humidity
45% Moderate
UV
8.2 Very High
View Details
August
Good
Temp
35°C / 17°C
Feels Like
35°C / 17°C
Rain
0days (1 mm) Excellent
Sun
12.6h Excellent
Humidity
47% Moderate
UV
7.6 Very High
View Details
September best
Excellent
Temp
33°C / 16°C
Feels Like
32°C / 16°C
Rain
1days (5 mm) Excellent
Sun
11.4h Excellent
Humidity
48% Moderate
UV
6.4 High
View Details
October best
Excellent
Temp
27°C / 13°C
Feels Like
25°C / 11°C
Rain
3days (41 mm) Excellent
Sun
9.7h Good
Humidity
50% Moderate
UV
4.8 Moderate
View Details
November
Good
Temp
19°C / 8°C
Feels Like
17°C / 6°C
Rain
6days (76 mm) Good
Sun
7.9h Good
Humidity
67% Muggy
UV
3.2 Moderate
View Details
December
Fair
Temp
14°C / 5°C
Feels Like
12°C / 3°C
Rain
10days (138 mm) Wet
Sun
6.4h Fair
Humidity
79% Humid
UV
2.5 Moderate
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 14°C / 5°C 12°C / 2°C 11days (143 mm) Wet 6.6h Fair 80% Humid 2.8 Moderate Poor View Details
February 16°C / 5°C 14°C / 3°C 8days (117 mm) Wet 8.3h Good 71% Muggy 3.7 Moderate Fair View Details
March 18°C / 7°C 16°C / 5°C 12days (127 mm) Wet 9.3h Good 71% Muggy 5.2 High Good View Details
April 23°C / 10°C 22°C / 8°C 5days (43 mm) Good 10.9h Excellent 61% Muggy 6.7 High Good View Details
May best 28°C / 13°C 27°C / 11°C 3days (20 mm) Excellent 12.7h Excellent 51% Moderate 7.8 Very High Excellent View Details
June best 34°C / 16°C 33°C / 15°C 1days (2 mm) Excellent 13.6h Excellent 43% Moderate 8.1 Very High Excellent View Details
July 36°C / 17°C 36°C / 17°C 0days (0 mm) Excellent 13.5h Excellent 45% Moderate 8.2 Very High Good View Details
August 35°C / 17°C 35°C / 17°C 0days (1 mm) Excellent 12.6h Excellent 47% Moderate 7.6 Very High Good View Details
September best 33°C / 16°C 32°C / 16°C 1days (5 mm) Excellent 11.4h Excellent 48% Moderate 6.4 High Excellent View Details
October best 27°C / 13°C 25°C / 11°C 3days (41 mm) Excellent 9.7h Good 50% Moderate 4.8 Moderate Excellent View Details
November 19°C / 8°C 17°C / 6°C 6days (76 mm) Good 7.9h Good 67% Muggy 3.2 Moderate Good View Details
December 14°C / 5°C 12°C / 3°C 10days (138 mm) Wet 6.4h Fair 79% Humid 2.5 Moderate Fair View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Warm evening layerSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

April is typically good for visiting Rosemont, with average highs of 23°C (74°F) and around 5 rainy days. Rosemont, United States in April has warm conditions, with highs averaging 23.1°C (74°F). Temperatures drop noticeably b
Rosemont typically sees around 5 rainy days in April with 43 mm (1.7 in) of total rainfall. An umbrella should suffice.
Nights in Rosemont during April are cool at around 10°C (49°F). Bring a jacket or sweater for evenings.
With highs of 23°C (74°F) and lows of 10°C (49°F) in April, we recommend: Warm evening layer, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
April is not the most favourable month weather-wise in Rosemont. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Rosemont during April is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Rosemont gets approximately 13 hours of daylight per day in April, with around 11 hours of sunshine.
Snow is uncommon in Rosemont during April based on 10-year climate averages.

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