Rockville weather in June: Rockville, Maryland: normal highs, lows, rain and records for June
Rockville in June has a normal high of 82°F and a normal low of 64°F, a daily mean of 73°F, rising from 78°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 10 days in a normal June, 3.96 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 18°C, 101 mm of precipitation in June.
- NOAA stationRockville (1 mi NE)
- Station IDUSC00187705
- Location39.10°N 77.15°W
- Elevation440 ft (134 m)
- From the center1 miles
- Population68,417
- Jan 42° 27°
- Feb 45° 28°
- Mar 54° 36°
- Apr 66° 46°
- May 74° 55°
- Jun 82° 64°
- Jul 87° 69°
- Aug 85° 67°
- Sep 78° 60°
- Oct 66° 48°
- Nov 56° 38°
- Dec 46° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rockville in June?
The normal high is 82°F and the normal low 64°F, for a daily mean of 72.9°F. June is 8.3°F warmer than May and 5.1°F cooler than July. June is the 3rd warmest month of the year in Rockville and the 3rd wettest. Across the month the normal high rises 8°F, from 78°F on June 1 to 86°F on June 30. From one year to the next June's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Junes in three average between 71°F and 75°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 78°F | 59°F | 35% | 23% |
| June 8 | 80°F | 61°F | 34% | 22% |
| June 15 | 82°F | 64°F | 33% | 21% |
| June 22 | 84°F | 66°F | 32% | 21% |
| June 30 | 86°F | 68°F | 31% | 20% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 78°F | 59°F | 35% | 23% | 14 h 40 min |
| June 2 | 78°F | 60°F | 35% | 23% | 14 h 40 min |
| June 3 | 78°F | 60°F | 35% | 22% | 14 h 40 min |
| June 4 | 79°F | 60°F | 34% | 22% | 14 h 50 min |
| June 5 | 79°F | 61°F | 34% | 22% | 14 h 50 min |
| June 6 | 79°F | 61°F | 34% | 22% | 14 h 50 min |
| June 7 | 80°F | 61°F | 34% | 22% | 14 h 50 min |
| June 8 | 80°F | 61°F | 34% | 22% | 14 h 50 min |
| June 9 | 80°F | 62°F | 34% | 22% | 14 h 50 min |
| June 10 | 81°F | 62°F | 34% | 22% | 14 h 50 min |
| June 11 | 81°F | 62°F | 34% | 22% | 14 h 50 min |
| June 12 | 81°F | 63°F | 34% | 22% | 14 h 50 min |
| June 13 | 82°F | 63°F | 33% | 22% | 14 h 50 min |
| June 14 | 82°F | 63°F | 33% | 21% | 14 h 50 min |
| June 15 | 82°F | 64°F | 33% | 21% | 14 h 50 min |
| June 16 | 83°F | 64°F | 33% | 21% | 14 h 50 min |
| June 17 | 83°F | 64°F | 33% | 21% | 14 h 50 min |
| June 18 | 83°F | 65°F | 33% | 21% | 14 h 50 min |
| June 19 | 83°F | 65°F | 33% | 21% | 14 h 50 min |
| June 20 | 84°F | 65°F | 33% | 21% | 15 h |
| June 21 | 84°F | 65°F | 32% | 21% | 15 h |
| June 22 | 84°F | 66°F | 32% | 21% | 15 h |
| June 23 | 85°F | 66°F | 32% | 21% | 15 h |
| June 24 | 85°F | 66°F | 32% | 21% | 15 h |
| June 25 | 85°F | 66°F | 32% | 20% | 14 h 50 min |
| June 26 | 85°F | 67°F | 32% | 20% | 14 h 50 min |
| June 27 | 86°F | 67°F | 32% | 20% | 14 h 50 min |
| June 28 | 86°F | 67°F | 31% | 20% | 14 h 50 min |
| June 29 | 86°F | 67°F | 31% | 20% | 14 h 50 min |
| June 30 | 86°F | 68°F | 31% | 20% | 14 h 50 min |
- Normal high
- 82°FJune average
- Normal low
- 64°FJune average
- Precipitation
- 3.96 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 14 h 40 min to 14 h 50 minJune 1 to June 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 20
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00187705; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rockville in June?
On a given June day the chance of 0.01 inch or more is 33% on average, highest around June 1 (35%). In all, 3.96 in falls on 10 days of a normal June, 1 of them with an inch or more.
In a normal June in Rockville, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00187705.
What are the records for June in Rockville?
The warmest June temperature on this station's record (since 1907) is 102°F, on June 24, 1914; the coldest is 35°F, on June 8, 1977. The wettest June brought 14.72 in (1972).
Source: records: ACIS, station USC00187705. Records and recent months use complete months only.
How does June in Rockville compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, June normal highs run from 75°F in Frostburg to 86°F in Vienna; Rockville's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.