A deep low to the east produced cloudy skies with light rain and a few showers on the 1st. The precipitation amounted to just 0.01". The high reached 68ºF/20ºC with a low of 64ºF/18ºC and 0.1 hours of sunshine was recorded. May the 2nd saw a few light showers as the large and complex low sent a weak trough into the area. The high was 71ºF/21ºC with 11.8 hours of sunshine and a 0.04" of precipitation. On Friday the 3rd, a trough passed in the late afternoon through early evening with a few showers. The high reached 69ºF/20ºC with 0.05" of precipitation and 8.8 hours of sun. High pressure building in from the north brought mainly fine weather for Friday the 4th. There was no rainfall and 12.5 hours of sunshine. The high was 70ºF/21ºC and the low 62ºF/17ºC. High pressure continued to provide fine weather for Sunday the 5th. There were 12.6 hours of sunshine and no recorded rain. The high was 70ºF/21ºC and the low 61ºF/16ºC. Monday the 6th saw another day of fine weather due to the high pressure ridging across the area. There were 12.3 hours of sun with no rainfall. The high was 74ºF/23ºC with a low of 63ºF/17ºC. Tuesday the 7th saw mostly fine weather due to high pressure ridging holding firm. There were 10.7 hours of sunshine with a trace of rainfall. The high was 73ºF/23ºC and the low 66ºF/19ºC. Wednesday the 8th experienced cloudy conditions with showers and isolated early morning thunderstorms, as a warm frontal boundary moved in from the southwest. The high reached 73ºF/23ºC with a low of 69ºF/21ºC, whilst sunshine was limited to just 1.2 hours. Thursday the 9th remained mostly cloudy with occasional breaks, a few showers and isolated early morning thunder in the marine area. The high reached 75F/24C, a low of 70F/21C, with 6.8 hours of sunshine. On the 10th, a sharp upper trough enhanced the convergent surface pattern, bringing considerable clouds with morning showers and thunderstorm activity across the area on briefly strong southerly flow. The high reached 71F/22C with a low of 68F/19C, 0.3 hours of sunshine and 0.03" of rain. A new upper ridge axis moved over the area on the 11th, which acted to strengthen the surface ridge, with 10.6 hours of sun, a high of 75F/24C and a low of 67F/20C. Sunday the 12th was settled as high pressure remained strong over the area. There were moderate to strong winds and a thick layer of high clouds due to a cold front slowly approaching from the west. The high was 74F/23C with 9.1 hours of sunshine. The 13th had moderate to strong winds and mostly cloudy skies as a cold front and trough slowly converged towards the Island. The high was 75F/24C with 3.9 hours of sunshine and there was 0.15" of precipitation from evening showers. A cold front came through on Tuesday the 14th with showers and thunderstorms, producing 1.27" of rain. Afternoon clearing brought 5 hours of sunshine. The high was 73F/23C and the low 64F/18C. High pressure brought fine weather for Wednesday the 15th. There were 11.6 hours of sunshine and no rainfall. The high was 69F/21C and the low 63F/17C. Thursday the 16th saw another day of fine weather as high pressure continued to dominate across Bermuda. There were 11.5 hours of sunshine and no rainfall. The high was 71F/22C and the low 60F/16C. Friday the 17th saw high pressure continuing to dominate across Bermuda. There were 10.8 hours of sunshine and no rainfall. The high was 73F/23C and the low 65F/18C. The 18th brought a weak frontal passage with a trace of rain and moderate veering winds. The high reached 75F/24C with a low of 67F/19C and 1.5 hours of sunshine. High pressure began to build south over the area on the 19th, with 10.3 hours of sunshine and a high of 72F/22C after a low of 65F/18C. 15-20 knot northeasterly winds eased gradually at night.
| Mean Temp. (°C/°F) | Max Temp. (°C/°F) | Min Temp. (°C/°F) | Daily Precip. Inches | Accumulated Precip. Inches | Year To Date Precip. Inches | Sea Surface Temp. (C/F) | Mean Sea Level Pressure " Hg / hPa | |
| Total | 1.69 | |||||||
| Mean | 20.2 / 68.4 | 22.3 / 72.1 | 18.3 / 64.9 | 22.3 / 72.2 | 30.14 / 1021.0 | |||
| Departure From Norm. | -2.2 / -3.9 | -2.4 / -4.3 | -1.6 / -3.0 | -1.32 | -0.1 / -0.2 | |||
| Max | 22.3 / 72.2 | 24.1 / 75.4 | 1.27 | 23.0 / 73.4 | 30.26 / 1024.7 | |||
| Min | 17.7 / 63.8 | 15.6 / 60.1 | 21.4 / 70.5 | 29.94 / 1013.9 | ||||
| Mean Temp. (°C/°F) | Max Temp. (°C/°F) | Min Temp. (°C/°F) | Daily Precip. Inches | Accumulated Precip. Inches | Year To Date Precip. Inches | Sea Surface Temp. (C/F) | Mean Sea Level Pressure " Hg / hPa | |
| 5/1/2013 | 18.7 / 65.7 | 20.2 / 68.4 | 17.5 / 63.5 | 0.01 | 0.01 | 17.61 | 21.4 / 70.5 | 30.10 / 1019.3 |
| 5/2/2013 | 19.2 / 66.5 | 21.4 / 70.5 | 16.0 / 60.8 | 0.04 | 0.05 | 17.65 | 21.4 / 70.5 | 30.04 / 1017.3 |
| 5/3/2013 | 17.7 / 63.8 | 20.4 / 68.7 | 15.8 / 60.4 | 0.05 | 0.10 | 17.70 | 22.2 / 72.0 | 29.94 / 1013.9 |
| 5/4/2013 | 18.7 / 65.7 | 20.9 / 69.6 | 16.9 / 62.4 | 0.00 | 0.10 | 17.70 | 22.2 / 72.0 | 29.94 / 1013.9 |
| 5/5/2013 | 18.9 / 66.0 | 21.2 / 70.2 | 16.1 / 61.0 | 0.00 | 0.10 | 17.70 | 22.2 / 72.0 | 30.05 / 1017.6 |
| 5/6/2013 | 20.4 / 68.8 | 23.1 / 73.6 | 17.2 / 63.0 | 0.00 | 0.10 | 17.70 | 22.2 / 72.0 | 30.17 / 1021.7 |
| 5/7/2013 | 21.0 / 69.9 | 22.6 / 72.7 | 18.9 / 66.0 | 0.00 | 0.10 | 17.70 | 22.2 / 72.0 | 30.22 / 1023.4 |
| 5/8/2013 | 21.4 / 70.5 | 22.9 / 73.2 | 20.8 / 69.4 | 0.09 | 0.19 | 17.79 | 22.0 / 71.6 | 30.26 / 1024.7 |
| 5/9/2013 | 21.9 / 71.5 | 23.8 / 74.8 | 21.0 / 69.8 | 0.05 | 0.24 | 17.84 | 22.0 / 71.6 | 30.26 / 1024.7 |
| 5/10/2013 | 20.6 / 69.1 | 21.5 / 70.7 | 19.3 / 66.7 | 0.03 | 0.27 | 17.87 | 22.2 / 72.0 | 30.24 / 1024.0 |
| 5/11/2013 | 21.8 / 71.2 | 23.8 / 74.8 | 19.6 / 67.3 | 0.00 | 0.27 | 17.87 | 22.2 / 72.0 | 30.24 / 1024.0 |
| 5/12/2013 | 22.0 / 71.6 | 23.4 / 74.1 | 20.6 / 69.1 | 0.00 | 0.27 | 17.87 | 22.2 / 72.0 | 30.19 / 1022.4 |
| 5/13/2013 | 22.3 / 72.2 | 23.8 / 74.8 | 21.5 / 70.7 | 0.15 | 0.42 | 18.02 | 22.2 / 72.0 | 30.10 / 1019.3 |
| 5/14/2013 | 19.5 / 67.2 | 22.7 / 72.9 | 17.8 / 64.0 | 1.27 | 1.69 | 19.29 | 22.9 / 73.2 | 30.02 / 1016.6 |
| 5/15/2013 | 18.7 / 65.7 | 20.7 / 69.3 | 17.2 / 63.0 | 0.00 | 1.69 | 19.29 | 22.9 / 73.2 | 30.16 / 1021.3 |
| 5/16/2013 | 19.3 / 66.7 | 21.5 / 70.7 | 15.6 / 60.1 | 0.00 | 1.69 | 19.29 | 22.9 / 73.2 | 30.18 / 1022.0 |
| 5/17/2013 | 21.0 / 69.8 | 22.9 / 73.2 | 18.2 / 64.8 | 0.00 | 1.69 | 19.29 | 23.0 / 73.4 | 30.18 / 1022.0 |
| 5/18/2013 | 21.4 / 70.5 | 24.1 / 75.4 | 19.2 / 66.6 | 0.00 | 1.69 | 19.29 | 23.0 / 73.4 | 30.18 / 1022.0 |
| 5/19/2013 | 20.0 / 68.0 | 22.4 / 72.3 | 18.4 / 65.1 | 0.00 | 1.69 | 19.29 | 23.0 / 73.4 | 30.26 / 1024.7 |
| Hours Of Sunshine | Mean R.H. % | Absolute Max. R.H. % | Absolute Min. R.H. % | Max Of Mean Wind knots / ° | Peak Wind knots / ° | Sky Conditions / Weather Notes
| ||||||||||||||
| Total | 151.4 |
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| Mean | 8.0 | 72.1 | 81.3 | 61.7 | ||||||||||||||||
| Departure From Norm. |
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| Max | 12.6 | 94.0 | 27 | 33 | ||||||||||||||||
| Min | 0.1 | 39.0 | ||||||||||||||||||
| Hours Of Sunshine | Mean R.H. % | Absolute Max. R.H. % | Absolute Min. R.H. % | Max Of Mean Wind knots / ° | Peak Wind knots / ° | Sky Conditions / Weather Notes
| ||||||||||||||
| 5/1/2013 | 0.1 | 74 | 85 | 67 | 11 / 030 | 17 / 040 |
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| 5/2/2013 | 11.8 | 69 | 80 | 61 | 13 / 010 | 21 / 010 |
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| 5/3/2013 | 8.8 | 64.3 | 81 | 50 | 16 / 360 | 22 / 360 |
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| 5/4/2013 | 12.5 | 62.2 | 70 | 53 | 11 / 070 | 15 / 070 |
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| 5/5/2013 | 12.6 | 62.7 | 71 | 56 | 9 / 060 | 17 / 060 |
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| 5/6/2013 | 12.3 | 67.9 | 77 | 55 | 17 / 110 | 19 / 110 |
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| 5/7/2013 | 10.7 | 73.5 | 83 | 61 | 18 / 140 | 23 / 140 |
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| 5/8/2013 | 1.2 | 84.4 | 88 | 80 | 22 / 150 | 28 / 150 |
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| 5/9/2013 | 6.8 | 83.3 | 87 | 77 | 22 / 200 | 26 / 200 |
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| 5/10/2013 | 0.3 | 82.5 | 88 | 72 | 19 / 240 | 22 / 190 |
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| 5/11/2013 | 10.6 | 80.5 | 90 | 72 | 14 / 150 | 16 / 150 |
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| 5/12/2013 | 9.1 | 78.1 | 83 | 71 | 20 / 160 | 25 / 180 |
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| 5/13/2013 | 3.9 | 83.8 | 91 | 75 | 26 / 180 | 31 / 190 |
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| 5/14/2013 | 5 | 72.5 | 94 | 46 | 27 / 170 | 33 / 170 |
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| 5/15/2013 | 11.6 | 55 | 64 | 39 | 15 / 350 | 20 / 350 |
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| 5/16/2013 | 11.5 | 59.5 | 72 | 49 | 11 / 250 | 15 / 250 |
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| 5/17/2013 | 10.8 | 69.9 | 81 | 60 | 13 / 250 | 18 / 250 |
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| 5/18/2013 | 1.5 | 80.4 | 85 | 70 | 14 / 030 | 22 / 030 |
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| 5/19/2013 | 10.3 | 66.3 | 74 | 59 | 17 / 060 | 23 / 060 |
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