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Mosquito Protection
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Japan, Tokyo

Thursday

Today

Low

Friday

Tomorrow

Moderate

Saturday

May 31

High

Sunday

Jun 1

High

Monday

Jun 2

High

How we forecast?

Tokyo Mosquito Forecast: What to Expect Throughout the Year

If you're planning a visit or living in Tokyo, understanding the Tokyo mosquito forecast is essential for a comfortable experience. Mosquito activity in Tokyo typically peaks during the warm and humid months of June through August, reaching a high forecast rating of 9 out of 10. The city’s famous landmarks like Shinjuku Gyoen and Ueno Park provide lush greenery and water features that create ideal breeding grounds. From March to May, mosquito presence gradually increases, while from October through February, their activity drops significantly. For daily updates, you can check local resources such as the Tokyo Metropolitan Government's health page. Knowing this forecast helps you plan outdoor activities and take precautions against bites.

Year round mosquito forecast

  • Mosquito Intensity

Factors Driving Mosquito Activity in Tokyo

Several environmental and human factors influence mosquito populations in Tokyo. The city’s humid summers and abundant rainfall create perfect conditions for mosquitoes to thrive. Key influencers include:
  • Temperature: Mosquitoes are more active when temperatures rise above 20°C (68°F).
  • Standing water: Ponds and water features in parks like Yoyogi Park serve as breeding sites.
  • Urban greenery: Dense vegetation offers shelter and food sources.
Additionally, the bustling urban environment with numerous water containers and drainage systems can inadvertently support mosquito breeding. Understanding these factors can help locals and tourists minimize exposure by avoiding peak times or using repellents during high-risk periods. For a deeper dive, visit Japan's Ministry of the Environment.

Mosquito-Borne Diseases in Tokyo: What You Should Know

While Tokyo is a modern metropolis, it is not entirely free from mosquito-borne illnesses. The primary concern is Japanese Encephalitis, a viral infection transmitted by Culex mosquitoes, which are prevalent in rural and suburban areas surrounding Tokyo. Though rare, cases have been reported, especially during the summer months. Dengue fever, more common in tropical regions, has seen occasional imported cases but is not endemic to Tokyo. Here are some protective measures:
  • Get vaccinated for Japanese Encephalitis if you plan extended stays in rural areas.
  • Use mosquito nets and insect repellents when outdoors.
  • Avoid peak mosquito activity times at dawn and dusk.
For more information, the National Institute of Infectious Diseases Japan provides updates and guidance.

Stay Updated and Prepared: Your Guide to Mosquito Safety in Tokyo

Staying informed is key to enjoying Tokyo without the nuisance of mosquitoes. Subscribe to local health bulletins and check the Tokyo Mosquito Information Center for real-time forecasts and advice. Equip yourself with effective mosquito repellents containing DEET or picaridin, and wear long sleeves during peak mosquito hours. Remember, simple habits like emptying standing water from containers can drastically reduce mosquito breeding in your vicinity. Tokyo’s humid summers demand vigilance, but with proper preparation, you can explore iconic sites like the Tokyo Tower or the Imperial Palace gardens comfortably. Stay safe and enjoy the city’s vibrant culture! Stay ahead with the Tokyo mosquito forecast. Learn what affects mosquito activity, diseases to watch for, and how to stay protected in Tokyo.
Check out our recommended mosquito protection products

Mosquito-borne diseases in the area

Malaria

Zika

Dengue

Yellow Fever

Chikungunya

West Nile Fever

FAQs

Mosquito season in Tokyo typically runs from late spring through early autumn, with peak activity in July and August.

Yes, a vaccine for Japanese Encephalitis is available and recommended for travelers spending extended time in rural areas near Tokyo.

Use insect repellents, wear protective clothing, avoid outdoor activities during dawn and dusk, and eliminate standing water around your accommodation.

Further information

Japan Ministry of EnvironmentTokyo Metropolitan GovernmentNational Institute of Infectious Diseases Japan
Tokyo Mosquito Forecast & Tips | Mosquito Forecast