UV Index in Rajbiraj, Nepal

Last updated: July 2, 2025

In Rajbiraj, Nepal, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is essential not just for preventing sunburn but also for protecting against long-term skin damage and conditions like skin cancer. With its Cwa climate, Rajbiraj experiences significant UV exposure, especially during midday hours when the index peaks at a daunting 13. Being informed about these levels can empower you to take proactive measures—like wearing sunscreen and protective clothing—ensuring you enjoy the sun safely and healthy!

Hourly UV Index in Rajbiraj

The UV Index data throughout the day reveals a dynamic pattern of sun exposure. Starting at 07:00, the index is at a mild 3, but it quickly ramps up as the sun rises. By 09:00, it soars to 9, reaching its peak of 13 at 11:00, signaling the most intense solar radiation and a high risk of harm without protection. As the afternoon progresses, the index declines, dropping to 4 by 15:00, and continues to diminish to 0 by 19:00, making late evening safe for outdoor activities. For those planning outings, it’s clear that midday hours are best suited for caution and proper sun safety measures!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	3	moderate	30 min
08:00	6	high	25 min
09:00	9	very high	15 min
10:00	12	extreme	10 min
11:00	13	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Rajbiraj

During the year, UV exposure varies significantly, with peaks in the summer months. High-risk months for UV exposure include June through September, when the UV Index reaches extreme levels (11 to 13), with dangerously short burn times of just 10 minutes. Additionally, March and April also present high risk with very high UV levels (8 to 10), demanding vigilance. Visitors and residents are strongly advised to protect themselves by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during these peak months. In contrast, the winter months of January and December show a moderate risk, with longer burn times of 30 minutes, allowing for safer outdoor activities if precautionary measures are still taken.

Monthly Maximum UV Index for Rajbiraj, Nepal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rajbiraj. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Rajbiraj, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Rajbiraj UV Index with Other Nepal Cities

The table above highlights how UV exposure in Rajbiraj compares to other major locations across Nepal. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Rajbiraj's solar exposure compared to other cities in Nepal. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Biratnagar UVI	5	6	8	9	10	11	13	12	12	9	7	5
Birganj UVI	5	6	8	10	10	12	13	12	11	9	7	5
Rajbiraj	5	6	8	10	10	11	13	12	12	9	7	5
Patan UVI	5	7	9	11	11	13	14	13	12	10	7	5
Kathmandu UVI	5	7	9	11	11	13	14	13	12	10	7	5
Pokhara UVI	7	9	12	13	14	15	15	15	14	12	8	6