Delhi Weather: Battling the June Heat

Temperatures this week are reaching 42–46 °C (107–115 °F), rising well above June’s typical highs of 38–40 °C . The relentless heat, paired with high humidity and poor air quality (AQI in the “very unhealthy” range), is making life tough, especially for outdoor workers, children, the elderly, and those with health conditions.

What’s Driving the Heatwave?

Delhi summers are known for their intensity, but this year’s temperatures are particularly extreme due to:

• Extended regional heatwave affecting northwest India and Pakistan since April—temperatures running 5–8 °C above seasonal averages

• Hot dry “loo” winds from the Thar Desert, combined with stagnant air over the city 

• Pre-monsoon build-up: Western disturbances are expected to trigger thunderstorms from June 13‑14 

Key Weather Alerts & Public Health Threats

Impacts & Safety Measures

The combination of heat and humidity is a serious health risk:

• Heatstroke and dehydration are critical concerns.

• Increased cardiovascular and respiratory strain, particularly given poor air quality.

• Power grid stress, leading to frequent outages while demand for cooling rises 

 Actionable Safety Tips

1. Avoid outdoor activities during peak heat hours (12–4 p.m.).

2. Stay hydrated, with water or electrolyte drinks.

3. Use light, breathable clothing and sunscreen when outdoors.

4. Stay indoors or in cooler public spaces—government cooling centres may open.

5. Monitor heat symptoms: excessive sweating, fatigue, dizziness; seek medical help if needed.

6. Reduce exertion: prioritize rest and avoid intense exercise.

7. Check air quality frequently; consider masks if you have respiratory conditions.

8. Prepare for monsoon onset: expect storms, gusty winds (40–60 km/h), potential power surges 

Pre-Monsoon Relief: What to Expect

Meteorologists forecast western disturbances arriving from June 13, bringing:

• Evening/overnight thunderstorms and gusty winds.

• Cooling of up to 4 °C in daytime highs 

• Possible relief from ultra-poor air and intense heat 

While short-lived, this change could offer the much-needed break before the full monsoon season arrives.

Daily Safety Checklist

1. Check forecast each morning.

2. Plan outdoor tasks early or late in the day.

3. Stay hydrated; carry water at all times.

4. Dress appropriately; wear hats and sunglasses.

5. Cool indoor spaces: use fans, AC, or wet towels.

6. Look after vulnerable individuals.

7. Limit air pollution exposure, especially if AQI >200.

8. Watch for thunderstorms; secure loose outdoor items.

9. Have emergency contacts ready for heat stroke or power outage crises.

10. Track heat index and adjust daily routines accordingly.

Broader Context: Climate and Atmospheric Trends

• June is typically Delhi’s hottest month, with average highs around 38–39 °C 

• Rainfall averages 74 mm over ~8 rainy days, but pre-monsoon showers are sporadic .

• This year’s early-season heatwave reflects a worrying trend and may strain public health and infrastructure further 

• A 2025 climate study warns such oppressive heatwaves—coupled with humidity—can severely impact mental health for city dwellers .

Summary Outlook Table

Final Thoughts

Delhi’s current heatwave is among the harshest seen in recent memory—marked by intense daytime highs, warm nights, and dangerous air quality. The arrival of thunderstorms around June 13–14 promises a brief reprieve, but the core of summer is yet to come. Readers should prioritize hydration, mask use in polluted air, and energy-conscious cooling.

Remember: proactive preparation and care can mitigate heat-related risks. Stay weather-aware, stay safe, and help others cope during these punishing peak-summer days.