United States

Days above 35 °C in United States

Days above 35 °C in United States: 7.4 days in 1950 and 13.5 days in 2014, in the CMIP6 climate models’ median run.

Latest, 2014
13.5 days
Modelled
Since 1950
+6.1 days
Projected, 2100
32.3 days
CMIP6 model median (SSP2-4.5, middle of the road)
Watch it change on the map

days a year · CMIP6

Days above 35 °C in United StatesDays above 35 °C in United States: 7.4 days in 1950 and 13.5 days in 2014, in the CMIP6 climate models’ median run. The CMIP6 model median (SSP2-4.5, middle of the road) puts it at 32.3 days in 2100, between 16.4 days and 53.1 days (models’ 10th–90th percentile).
CMIP6 historical run, model medianCMIP6 model median (SSP2-4.5, middle of the road)models’ 10th–90th percentile

What the numbers say

  • The CMIP6 model median (SSP2-4.5, middle of the road) puts it at 32.3 days in 2100, between 16.4 days and 53.1 days (models’ 10th–90th percentile).
  • The highest was 13.5 days in 2014, the lowest 6.2 days in 1966.

Every year

days a year · CMIP6

YearUnited States
201413.5
201313.1
201211.9
201110.9
201012.4
200911.8
200810.5
200710.7
200611
200510.9
200410.7
200310.5
200211.4
200111.6
200010.2
199910.1
19989.1
19979.3
19969.3
19959.4
19948.7
19937.3
19926.6
19919.1
19909.1
19898.6
19887.9
19878.3
19868.3
19858.6
19847.7
19836.3
19827.3
19818.8
19807.7
19798.1
19787.3
19777.5
19766.7
19757.2
19746.6
19737.4
19727.1
19717.4
19707.1
19698.5
19686.5
19677.6
19666.2
19656.7
19646.4
19637.3
19627.2
19617.8
19607.9
19598.6
19588.2
19577.5
19568.5
19557.3
19548.2
19538
19527.2
19517.2
19507.4
CMIP6 model median (SSP2-4.5, middle of the road) · 2015–2100
YearUnited States
2015157.7–24.6
201614.98.5–24.8
201715.17.6–25.2
201815.47.1–26
201915.88.3–27.5
202015.97.9–26.3
202116.98.1–28.6
202215.97.1–26.1
202316.88.1–30.2
202418.19–28
202518.28.4–31.3
202616.99.3–28.1
2027189.3–32.1
202817.39–29.7
202919.19.1–32.3
203018.48.2–33.6
203118.59.7–28.7
203216.47.9–28.3
20332111.6–33.4
203418.59.5–29.5
203518.29.2–31.9
203620.49.9–33.2
203720.310.9–34.7
203820.611.3–33
203921.311–32.7
204021.712.2–33
204120.69.9–36.3
204223.512.6–37.1
204321.211.9–34.3
204421.411.3–36.7
204523.511.7–38.9
204623.312.9–37.9
20472514.3–40.5
20482312.1–37.8
204923.713.9–38.2
205024.612.7–38.7
20512613.5–40.8
205223.911.6–37.9
205324.312–39.2
205424.513.7–40.8
205525.911.9–42.5
205624.813.1–40.7
205726.914.8–39.9
205826.412.8–44.4
205925.414.2–39.7
206025.112.3–41.8
206127.315.2–44.2
206228.312.9–46.9
206328.413.4–45.8
206425.914.1–41.9
206527.813.3–43.8
206627.715.4–42.8
206729.616.7–45.3
206828.714.9–44.1
206928.314.3–46.3
207028.113.9–46.1
207127.615–45.4
20722915.4–45
207327.612.8–46.8
20743015.5–47.5
207529.214.2–49.8
207629.815.8–46.3
207729.917.5–48.3
207831.617–49.1
207931.717.1–48.8
208032.216.8–50.6
208131.316.8–48.8
208230.515.3–49.4
20833216.5–50.5
208430.816.5–49
208528.315.4–48
208632.717.4–52.1
208732.217.8–53.1
208831.117–49.9
208931.415.1–51.4
209033.918.7–52.2
209134.218.8–51.4
209232.815–52.7
20933217.4–52.4
209433.117.4–52.1
209534.219.1–50.8
209633.718.9–54.3
209732.614.4–54.6
209832.818.3–50.3
209932.318.7–51.5
210032.316.4–53.1

Good to know

  • Days in a year whose highest temperature passes 35 °C, averaged over the country.
  • Source: World Bank Climate Change Knowledge Portal, CMIP6 multi-model median.
  • The dashed line is the CMIP6 model median (SSP2-4.5, middle of the road), a scenario rather than a forecast; the band is its models’ 10th–90th percentile.
  • Climate model values are the median of the CMIP6 models, run on past emissions to 2014 and on SSP2-4.5, a middle-of-the-road path, after: they are not measurements.

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