Johnston, Rhode Island, United States Climate
Weather: 4.67°C/40.41°F, Wind SW at 8.23 km/h, 92% Humidity, 0.75% Chance of rain
(Photo by Kawshar Ahmed on Unsplash)
Johnston Climate Summary
Located at an elevation of 74.8 meters (245.41 feet) above sea level, Johnston has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 12.51ºC (54.52ºF) and it is -0.13% lower than United States’s averages. Johnston typically receives about 16.44 millimeters (0.65 inches) of precipitation and has 32.72 rainy days (8.96% of the time) annually.
Country | United States |
City | Rhode Island |
Longitude | -71.512617 |
Latitude | 41.8205199 |
Attitude/Elevation | 74.8m (245.41ft) |
Local time | Friday 10:09 |
Annual high temperature | 15.47ºC (59.85ºF) |
Annual low temperature | 7.26ºC (45.07ºF) |
Average annual precip. | 16.44mm (0.65in) |
Warmest month | July (29.58ºC / 85.24ºF) |
Coldest Month | January (-3.73ºC / 25.29ºF) |
Wettest Month | December (23.46mm / 0.92in) |
Driest Month | September (8.71mm / 0.34in) |
Number of days with rainfall (≥ 1.0 mm) | 32.72 days (8.96%) |
Days with no rain | 332.28 days (91.04%) |
Humidity | 71.19% |
Climate Johnston: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 17.0(62.6) | 17.0(62.6) | 18.0(64.4) | 21.0(69.8) | 30.0(86.0) | 34.0(93.2) | 38.0(100.4) | 35.0(95.0) | 33.0(91.4) | 27.0(80.6) | 21.0(69.8) | 17.0(62.6) | 38.0(100.4) |
Average high °C (°F) | 3.02(37.44) | 5.19(41.34) | 7.25(45.05) | 12.04(53.67) | 19.48(67.06) | 25.1(77.18) | 29.58(85.24) | 28.31(82.96) | 23.87(74.97) | 16.8(62.24) | 9.92(49.86) | 5.06(41.11) | 15.47(59.85) |
Daily mean °C (°F) | 0.42(32.76) | 2.56(36.61) | 4.45(40.01) | 9.21(48.58) | 16.2(61.16) | 21.8(71.24) | 26.22(79.2) | 24.95(76.91) | 20.49(68.88) | 13.95(57.11) | 7.17(44.91) | 2.66(36.79) | 12.51(54.52) |
Average low °C (°F) | -3.73(25.29) | -1.64(29.05) | -0.24(31.57) | 4.06(39.31) | 9.83(49.69) | 14.89(58.8) | 19.58(67.24) | 18.97(66.15) | 14.83(58.69) | 9.24(48.63) | 2.62(36.72) | -1.29(29.68) | 7.26(45.07) |
Record low °C (°F) | -19.0(-2.2) | -18.0(-0.4) | -14.0(6.8) | -3.0(26.6) | 3.0(37.4) | 7.0(44.6) | 14.0(57.2) | 12.0(53.6) | 7.0(44.6) | -1.0(30.2) | -9.0(15.8) | -11.0(12.2) | -19.0(-2.2) |
Average precipitation mm (inches) | 16.02(0.63) | 16.16(0.64) | 15.58(0.61) | 17.23(0.68) | 12.69(0.5) | 15.43(0.61) | 18.73(0.74) | 17.38(0.68) | 8.71(0.34) | 18.55(0.73) | 17.28(0.68) | 23.46(0.92) | 16.44(0.65) |
Average precipitation days (≥ 1.0 mm) | 2.27 | 3.27 | 2.18 | 3.36 | 2.73 | 2.82 | 3.27 | 3.45 | 1.64 | 2.45 | 2.73 | 2.55 | 2.73 |
Average relative humidity (%) | 67.76 | 69.55 | 69.94 | 69.76 | 71.22 | 70.77 | 71.83 | 72.53 | 72.66 | 74.12 | 70.91 | 73.2 | 71.19 |
Mean monthly sunshine hours | 6.79 | 8.72 | 8.94 | 10.1 | 12.51 | 13.16 | 13.5 | 12.33 | 10.34 | 8.1 | 6.71 | 6.68 | 9.82 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Johnston in recent years.
Johnston Temperature by Month
July | 26.22°C | 79.2°F | |
August | 24.95°C | 76.91°F | |
June | 21.8°C | 71.24°F | |
September | 20.49°C | 68.88°F | |
May | 16.2°C | 61.16°F | |
October | 13.95°C | 57.11°F | |
April | 9.21°C | 48.58°F | |
November | 7.17°C | 44.91°F | |
March | 4.45°C | 40.01°F | |
December | 2.66°C | 36.79°F | |
February | 2.56°C | 36.61°F | |
January | 0.42°C | 32.76°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 30.0°C (86.0°F) | 21.9°C (71.42°F) | 12.0°C (53.6°F) | |
Avg Temperature | 27.0°C (80.6°F) | 18.35°C (65.03°F) | 11.0°C (51.8°F) | |
Min Temperature | 19.0°C (66.2°F) | 11.29°C (52.32°F) | 4.0°C (39.2°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 17.0°C (62.6°F) | 10.74°C (51.33°F) | 5.0°C (41.0°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 4.9mm | 0.19in | 0.88mm | 0.03in | 0.0mm | 0in | 27.2mm | 1.07in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 18.0kmh | 11.18mph | 10.48kmh | 6.51mph | 5.0kmh | 3.11mph | |
Gust Wind | 30.0kmh | 18.64mph | 16.19kmh | 10.06mph | 7.0kmh | 4.35mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 4.9mb | 0.88mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
May | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2018-05-01 | 14 | 57.2 | 5 | 41.0 | 68 | 9 | 5.59 | 30.03 | 1017 | 0.0 | 0.0 |
2018-05-02 | 23 | 73.4 | 8 | 46.4 | 48 | 17 | 10.56 | 30.0 | 1016 | 0.0 | 0.0 |
2018-05-03 | 23 | 73.4 | 12 | 53.6 | 59 | 15 | 9.32 | 29.94 | 1014 | 0.5 | 0.02 |
2018-05-04 | 22 | 71.6 | 15 | 59.0 | 74 | 16 | 9.94 | 29.88 | 1012 | 1.6 | 0.06 |
2018-05-05 | 18 | 64.4 | 7 | 44.6 | 52 | 15 | 9.32 | 30.0 | 1016 | 0.0 | 0.0 |
2018-05-06 | 15 | 59.0 | 9 | 48.2 | 70 | 9 | 5.59 | 30.0 | 1016 | 2.1 | 0.08 |
2018-05-07 | 16 | 60.8 | 10 | 50.0 | 76 | 8 | 4.97 | 30.06 | 1018 | 0.0 | 0.0 |
2018-05-08 | 18 | 64.4 | 8 | 46.4 | 70 | 6 | 3.73 | 30.24 | 1024 | 0.0 | 0.0 |
2018-05-09 | 19 | 66.2 | 8 | 46.4 | 61 | 7 | 4.35 | 30.18 | 1022 | 0.0 | 0.0 |
2018-05-10 | 18 | 64.4 | 11 | 51.8 | 75 | 12 | 7.46 | 29.94 | 1014 | 0.5 | 0.02 |
2018-05-11 | 18 | 64.4 | 8 | 46.4 | 63 | 9 | 5.59 | 29.97 | 1015 | 0.1 | 0.0 |
2018-05-12 | 11 | 51.8 | 8 | 46.4 | 86 | 7 | 4.35 | 30.15 | 1021 | 2.2 | 0.09 |
2018-05-13 | 12 | 53.6 | 8 | 46.4 | 85 | 7 | 4.35 | 30.15 | 1021 | 0.1 | 0.0 |
2018-05-14 | 17 | 62.6 | 10 | 50.0 | 79 | 9 | 5.59 | 30.0 | 1016 | 0.0 | 0.0 |
2018-05-15 | 21 | 69.8 | 15 | 59.0 | 84 | 13 | 8.08 | 29.85 | 1011 | 0.3 | 0.01 |
2018-05-16 | 15 | 59.0 | 11 | 51.8 | 83 | 8 | 4.97 | 30.12 | 1020 | 0.7 | 0.03 |
2018-05-17 | 17 | 62.6 | 14 | 57.2 | 92 | 5 | 3.11 | 30.03 | 1017 | 4.1 | 0.16 |
2018-05-18 | 14 | 57.2 | 5 | 41.0 | 60 | 15 | 9.32 | 30.33 | 1027 | 0.0 | 0.0 |
2018-05-19 | 11 | 51.8 | 8 | 46.4 | 88 | 10 | 6.21 | 30.3 | 1026 | 4.6 | 0.18 |
2018-05-20 | 19 | 66.2 | 17 | 62.6 | 93 | 15 | 9.32 | 29.97 | 1015 | 4.9 | 0.19 |
2018-05-21 | 21 | 69.8 | 10 | 50.0 | 66 | 8 | 4.97 | 30.15 | 1021 | 0.0 | 0.0 |
2018-05-22 | 17 | 62.6 | 11 | 51.8 | 78 | 6 | 3.73 | 30.12 | 1020 | 0.8 | 0.03 |
2018-05-23 | 22 | 71.6 | 12 | 53.6 | 71 | 8 | 4.97 | 29.91 | 1013 | 2.0 | 0.08 |
2018-05-24 | 20 | 68.0 | 10 | 50.0 | 66 | 9 | 5.59 | 30.09 | 1019 | 0.0 | 0.0 |
2018-05-25 | 24 | 75.2 | 11 | 51.8 | 56 | 17 | 10.56 | 29.91 | 1013 | 0.0 | 0.0 |
2018-05-26 | 27 | 80.6 | 16 | 60.8 | 63 | 12 | 7.46 | 29.83 | 1010 | 0.0 | 0.0 |
2018-05-27 | 12 | 53.6 | 11 | 51.8 | 90 | 18 | 11.18 | 30.09 | 1019 | 2.6 | 0.1 |
2018-05-28 | 17 | 62.6 | 12 | 53.6 | 83 | 9 | 5.59 | 30.06 | 1018 | 0.1 | 0.0 |
2018-05-29 | 25 | 77.0 | 16 | 60.8 | 77 | 8 | 4.97 | 30.0 | 1016 | 0.0 | 0.0 |
2018-05-30 | 22 | 71.6 | 14 | 57.2 | 73 | 8 | 4.97 | 30.15 | 1021 | 0.0 | 0.0 |
2018-05-31 | 21 | 69.8 | 13 | 55.4 | 74 | 10 | 6.21 | 30.06 | 1018 | 0.0 | 0.0 |
Johnston 3 Year Historical Weather Data
Nearby locations
- North Providence 5.23 km ( 3.25 mi)
- Harmony 10.22 km ( 6.35 mi)
- Lincoln 11.64 km ( 7.24 mi)
- Smithfield 11.69 km ( 7.26 mi)
- East Providence 11.87 km ( 7.38 mi)
- Armington Corner 12.65 km ( 7.86 mi)
- West Warwick 13.00 km ( 8.08 mi)
- Valley Falls 13.94 km ( 8.66 mi)
- Albion 15.43 km ( 9.59 mi)
- North Smithfield 16.53 km ( 10.27 mi)
- Bayside 17.45 km ( 10.84 mi)
- Cumberland Hill 17.52 km ( 10.89 mi)
- Abbott Run 18.16 km ( 11.28 mi)
- Cumberland 19.02 km ( 11.82 mi)
- East Greenwich 20.69 km ( 12.85 mi)
- Pascoag 21.75 km ( 13.52 mi)
- Greene 28.84 km ( 17.92 mi)
- Annaquatucket 30.36 km ( 18.86 mi)
- Portsmouth 32.62 km ( 20.27 mi)
- Wyoming 37.36 km ( 23.21 mi)
- Kingston 37.79 km ( 23.48 mi)
- Middletown 38.27 km ( 23.78 mi)
- Bonnet Shores 38.29 km ( 23.79 mi)
- Richmond 38.54 km ( 23.95 mi)
- Newport East 39.44 km ( 24.51 mi)
- Newport 40.30 km ( 25.04 mi)
- Carolina 41.51 km ( 25.79 mi)
- Brenton Village 42.39 km ( 26.34 mi)
- Adamsville 43.41 km ( 26.98 mi)
- Narragansett Pier 43.62 km ( 27.10 mi)
- Bethel 49.30 km ( 30.63 mi)
- Charlestown 49.75 km ( 30.91 mi)
- Arnolda 51.07 km ( 31.74 mi)
- Westerly 55.75 km ( 34.64 mi)
- Quonochontaug 56.25 km ( 34.95 mi)
- Weekapaug 58.04 km ( 36.06 mi)
- Misquamicut 59.77 km ( 37.14 mi)
- Avondale 60.31 km ( 37.48 mi)
- Watch Hill 63.04 km ( 39.17 mi)
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