Home
Weather Delhi
WeatherRadar
RainRadar
TemperatureRadar
WindRadar
LightningRadar
Weather News
Editor's Pick
Discover the app
Weather widget
Contact us
Apps
    Home / Weather News /

    Weather Explained!: What is a Heatwave?

08:08 am
27 April 2026

Weather Explained
What is a Heatwave?

What is a heatwave?

A heatwave is defined as a period of unusually high temperatures lasting for several days.

In India, it is declared when the maximum temperature reaches at least 40°C and is 4.5°C above normal for that region.

Nagpur

Th
26
32
Fr
25
30
Sa
25
32
Su
26
33
Mo
26
33
Tu
26
31
We
25
31
Th
25
30
Fr
24
30
Sa
24
30
Su
24
29
Mo
24
29
Tu
24
30
We
24
30
Max (°C)
Min (°C)
moreless

Over the days, day temperatures may increase in many districts, pushing conditions into heatwave category.

TemperatureRadar Update

Such extreme heat can impact health, causing dehydration and heatstroke. Residents are advised to stay indoors during peak afternoon hours, drink plenty of water, and follow weather alerts.

Stay updated with Weather & Radar for timely warnings and safety tips.

Weather & Radar editorial desk
More on the topic
Third Warmest April on Record. Record in Spain. . . Saturday, 9 May 2026
Saturday, 9 May 2026

Record in Spain

Third Warmest April on Record
Super Typhoon Near The Philippines. Gusts of up to 155 mph. . . Wednesday, 24 June 2026
Wednesday, 24 June 2026

Gusts of up to 155 mph

Super Typhoon Near The Philippines
Temperatures Above 25°C in Northern Europe. Europe Heat Contrast. . . Saturday, 6 June 2026
Saturday, 6 June 2026

Europe Heat Contrast

Temperatures Above 25°C in Northern Europe
All weather news
This might also interest you
Heavy Rain Continues Across Gujarat. Red Alert Issued. . . Friday, 31 July 2026
Friday, 31 July 2026

Red Alert Issued

Heavy Rain Continues Across Gujarat
Deep Depression Triggers Flood Risk. Odisha and Chhattisgarh. . . Tuesday, 28 July 2026
Tuesday, 28 July 2026

Odisha and Chhattisgarh

Deep Depression Triggers Flood Risk
Relief from Heat and Humidity Likely. Delhi Rains. . . Monday, 27 July 2026
Monday, 27 July 2026

Delhi Rains

Relief from Heat and Humidity Likely
All articles
Weather & Radar

Weather & Radar is also available on

Google Play StoreApp Store

Company

Contact us Privacy policy Legal info Accessibility statement

Services

Uploader

Socials

instagramfacebooktwitterlinkList