National Institutes of Health National Institutes of Health
Bethesda, United States

The National Institutes of Health is a research center and United States federal agency located in Bethesda, Montgomery County. It is one of the 120 sights in the United States on this site and is the 101st most looked-up sight in the country on English Wikipedia.
Planning a visit
The weather varies throughout the year. July is the warmest month with daily highs of 31 °C and lows of 20 °C, while January is the coldest with a high of 6 °C and a low of -3 °C. October is the driest month with about 6 rainy days, while July and August have the most rain, with about 16 and 15 rainy days respectively. Temperatures in May reach daily highs of 24 °C, and in September they reach 26 °C.
The site is at 9000 Rockville Pike, north on Wisconsin, 13 km from Washington, D.C. Ronald Reagan Washington National Airport is 17 km away. Visitors can combine a trip to the National Institutes of Health with a visit to the Washington National Cathedral, which is 8 km away. Other nearby sights include the White House, the Vietnam Veterans Memorial, the Lincoln Memorial, and the Washington Monument, all of which are within 13 km.
Weather by month
The warmest month is July, with an average high of 31 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 6 | 8 | 12 | 19 | 24 | 29 | 31 | 30 | 26 | 19 | 13 | 7 |
| Average low, °C | -3 | -2 | 2 | 7 | 13 | 18 | 21 | 20 | 16 | 10 | 5 | 0 |
| Rainfall, mm | 75 | 71 | 86 | 90 | 110 | 104 | 107 | 92 | 88 | 91 | 72 | 82 |
| Rainy days | 8 | 10 | 9 | 10 | 13 | 13 | 16 | 15 | 10 | 6 | 7 | 9 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.